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ATR42-400/500 - STRUCTURAL REPAIR MANUAL INTRODUCTION Page 1 R Oct 01/14 INTRODUCTION 1. General Policy A. General This manual is in conformity with the Air Transport Association Specification number 2200 (ATA iSpec 2200). It provides descriptive information, instructions and specific data relative to the repair of the ATR structure. It contains damage acceptability criteria, the identification of structure materials and repair data applicable to the structural elements that are the most exposed to damage. It gives information on the standard repair procedures. All the data contained in this manual are approved by the authorities. The Structural Repair Manual is completed by the Illustrated Parts Catalog (IPC) which gives the list of replaceable structural elements. The Structural Repair Manual is laid out as follows: Chapter 51 : Aeronautical standards, standard practices, materials and general information on repairs Chapters 52 through 57 : Specific structural chapters The chapter numbers indicate an entire zone of the aircraft (for example : fuselage, wing, etc...), the section numbers indicate a sub-division of this zone (for example : fuselage nose section, wing center box), and the subject numbers indicate a component of this zone (for example : FWD pressure bulkhead, front spar, etc...) (See para. 4.A.). To obtain a separation of the topics, the following block pages are used : Description Identification Figure Allowable Damages Repair The Documentary Units (DU) are independently numbered and all the DU begin on a recto page. One page "PAGE LEFT BLANK INTENTIONALLY" is inserted if the DU finishes on a recto page. The LEP records all the DU and their interval of pages. After a revision, if a DU has an added or deleted pages, all the pages of the DU are numbered. B. List of Effective Pages As noticed here-above the LEP records all the DUs and their interval of pages. It gives an overview of the parts revised. N, R or D indicates parts which are New, Revised or Deleted respectively. C. Manual Validity Manual designated as ATR42-400/500 series SRM (this manual) covers the ATR42-400/500 A/C -400, -500 series. This manual also covers ATR42-600 designation.

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  • ATR42-400/500 - STRUCTURAL REPAIR MANUAL

    INTRODUCTION Page 1

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    INTRODUCTION

    1. General Policy

    A. GeneralThis manual is in conformity with the Air Transport Association Specificationnumber 2200 (ATA iSpec 2200). It provides descriptive information, instructionsand specific data relative to the repair of the ATR structure.It contains damage acceptability criteria, the identification of structurematerials and repair data applicable to the structural elements that are themost exposed to damage. It gives information on the standard repair procedures.All the data contained in this manual are approved by the authorities.The Structural Repair Manual is completed by the Illustrated Parts Catalog(IPC) which gives the list of replaceable structural elements.The Structural Repair Manual is laid out as follows:

    Chapter 51 : Aeronautical standards, standard practices, materials andgeneral information on repairs

    Chapters 52 through 57 : Specific structural chapters

    The chapter numbers indicate an entire zone of the aircraft (for example :fuselage, wing, etc...), the section numbers indicate a sub-division of thiszone (for example : fuselage nose section, wing center box), and the subjectnumbers indicate a component of this zone (for example : FWD pressure bulkhead,front spar, etc...) (See para. 4.A.).To obtain a separation of the topics, the following block pages are used :

    Description

    Identification Figure

    Allowable Damages

    Repair

    The Documentary Units (DU) are independently numbered and all the DU begin ona recto page. One page "PAGE LEFT BLANK INTENTIONALLY" is inserted if the DUfinishes on a recto page.The LEP records all the DU and their interval of pages.After a revision, if a DU has an added or deleted pages, all the pages of theDU are numbered.

    B. List of Effective PagesAs noticed here-above the LEP records all the DUs and their interval of pages.It gives an overview of the parts revised.N, R or D indicates parts which are New, Revised or Deleted respectively.

    C. Manual ValidityManual designated as ATR42-400/500 series SRM (this manual) covers theATR42-400/500 A/C -400, -500 series. This manual also covers ATR42-600designation.

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    D. Data effectivityData that has no effectivity designation shall be applicable to all theaircraft series covered by this manual. Effectivity designations are used todefine the variants between the aircraft.Effectivity is expressed by MODIFICATION NUMBERS indicated :

    In the block effectivity at the top of the variant Figures.

    In the Identification Tables, in the - OBSERVATION MOD/SB REPAIR column, infront of each item variant.Example:Be. 3667T3724 ; Solution Before Modification 3667T3724Af. 3667T3724 ; Solution After Modification 3667T3724

    In the Table of Contents, if a Configuration is created ('EFFEC' column)in front of each configuration ("a" or b on the AMTOSS code, see para.6.A.).Example :The required configuration is specified at the bottom of the pages. Themodifications concerned are given in the Table of Contents at the beginningof each ATA chapter.

    The absence of modification number indicates commonality between all aircraft.The pages called "MODIFICATIONS/SERVICE BULLETINS LIST", placed - at thebeginning of the chapter, give the effectivity of each Modification Numberexpressed in Standard Version (ST) and by Manufacturer Serial Number (MSN).

    NOTE : Before all investigation on structure Items make sure that the validityis correct (before or after Modification, Service Bulletin retrofitted,etc...).

    E. Revision of the manualThe revision service is periodically provided. The revision is materialized bya "R" in the footer of the page. The latest revision date of the DU is shown inthe footer.The revised text is shown by a bar located in the left hand margin of thepages.The HIGHLIGHTS section (in the begin of the manual) records the revised DU andtheir reasons of revision.

    F. Abbreviations used in the SRMThe abbreviations used in the SRM are recorded in the "LIST OF ABBREVIATIONS".

    G. Symbols used in the repair drawingsIn order to simplify and clarify illustration of repair drawings, fastenersymbols are as follows :

    SYMBOL TYPE

    Existing fastener not affected by the repair

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    SYMBOL TYPE

    Existing fastener affected by the repair

    Rivet

    Blind fastener

    Bolt

    Countersunk fasteners (superimposed on other symbols)

    Different diameters shall be represented by different symbols, as shown below:

    TYPE SYMBOL

    Rivet

    Blind fastener

    Bolt

    2. General technical principles

    A. DescriptionThis section is a brief description of the chapter concerned.

    B. Identification FigureChapters 52 through 57 include the identification of the materials used inthe manufacture of the airplane. They indicate structural differences betweenairplanes of the same type which have been incorporated in production orretroactively, thus enabling the operator to identify the material of anysignificant component on any specific airplane in his fleet.Illustrations and text concerning the aircraft structure give description,material, and significant drawing numbers including appropriate assemblydrawing numbers. Where applicable, material information define the finishedheat treatment condition.

    C. Allowable damageAllowable damage is damage that allows an operator to continue operatingan aircraft without any repairs other than local rework, and surface finishrestoration.

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    NOTE : In the case of damage occurred on primary structure including PSE thatgo beyond SRM allowable limit, contact the manufacturer.

    Wear Limits:Wear Limits on structural assemblies permit the assessment of in-service wearon single bolt and bolt-like parts, and also on attaching parts such as bearingand bushes. The limits are presented in tabular form in the Allowable Damagetopic of the appropriate manual section and indicate when rectification isrequired so that the assembly can continue satisfactorily in service.

    D. Repair

    (1) Definition of repairRepair instructions are intended to enable the operator to repair damageexceeding allowable damage limits.Several types of damage have been taken into account:

    Metallic materials:Corrosion; cracks; scratches; dents; scores; gouges: nicks; abrasion;etc.

    Non-metallic materials:Flaking; perforation; delamination; scratches; score; separation;denting; etc.

    The repair approach shown in the flowchart (Refer to Description510001-03-001-A01) has to be followed

    NOTE : In case of damage occurred in the areas where the structure is notregular, or joined with other components, and if any proximitycriteria is defined in the concerned repair procedure, contact themanufacturer.There is not limit to the number of applications of a repairprinciple unless otherwise specified in the instructions, andprovided that the geometry of the structure so permits. If damageoccurred is closed to an existing repair, contact the manufacturer.

    (2) Recommendations of repair

    WARNING : IF THE REPAIR IS NOT LIMITED BY MAX. DIMENSION, THE SIZE ISDEFINED BY THE NUMBER OF FASTENERS SHOWN ON REPAIR SCHEME(SKETCH). PITCH AND EDGE MARGINS DEPEND ON FASTENER DIAMETERSWHEN THEY ARE NOT IMPOSED BY EXISTING STRUCTURE (REFER TO SRM51-25-02 (FIT CONDITIONS OF BOLTS (TORQUE))).IN SUCH A CASE, IT COULD BE NECESSARY TO REMOVE PART OF THECOMPONENT THAT IS GREATER THAN THE OCCURRED DAMAGED AREA ORMAKE A DISPLACED SPLICE IN ORDER TO APPLY THE PRINCIPLE OFREPAIR AS DEFINED.

    1. REPAIR PROXIMITYIN CASE OF MULTIPLE SIMULTANEOUS OR SUCCESSIVE DAMAGES,APPLICATION OF REPAIR PRINCIPLES CAN BE PERFORMED IF DAMAGE

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    PROXIMITY CRITERIA AND GEOMETRY REQUESTED BY LEVEL OFREPAIRS IN THE CONCERNED REPAIR ARE MET.IN THE ABSENCE OF SPECIFIC CRITERIA, CONTACT THEMANUFACTURER.

    2. REPAIR SHOWN IN THIS MANUAL ARE NOT APPLICABLE ON REPAIRSALREADY PERFORMED.

    The repair application area is defined by precise structural references(frames, stringers, ribs, stiffeners, etc...).Repair schemes can be adapted to similar zones if:

    Note is absent

    Damage is similar.

    Before all repairs, an inspection must be performed in order to accuratelydetermine extent of damage (Refer to SRM 51-00-01 (DEFECT/DAMAGEREPORTING)).Two kinds of repairs are defined:

    Standard repairs and processes valid for all structure defined inchapter 51.

    Specific repairs relevant to an element (or an area) and described inthe corresponding chapter or section.

    Certain repairs are defined by means of graphs taking the following intoaccount:

    type of damage

    damage dimensions

    damage area.

    NOTE : When repair instructions are not available, this does not mean thatthe concerned structure is not repairable. Sometimes it is notpossible to give a standard repair, because the experience of in-service aircraft has not yet shown the necessity of such a repair.In certain cases an adapted repair design shall require anevaluation made by the aircraft manufacturer.As in-service experience shows the necessity, this manual shallbe procedures updated for repetitive and typical issue so as toinclude new repairs.In the possible case of serious damage the information of thismanual shall be completed by a direct link with a representative ofthe aircraft manufacturer support.

    Temporary repairs, enabling limited service life are also defined incertain cases, and can be reported by a "TEMPORARY" in the title.When fatigue life of the repair is not stated in the repair principle,fatigue life has to be considered to be equal to the design life goal ofthe ATR which is 70000 cycles.Several solutions may be proposed for repairing given damage.In the case of cumulative damage, the repair must cover each type ofdamage.

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    In the case where damage covers two areas, the repair retained will be theone corresponding to area comprising a flush criteria.

    3. Repair Components Kit.For the components given in the REPAIR MATERIAL tables of repair schemes, referto "Index of Repair Drawing" or at the beginning of concerned chapter to check thedrawing number, its description, location and figure number to be able to order themanufactured parts.

    4. How to use the manual

    A. SRM Manual Breakdown Arrangement (Ref. Fig. 1)

    B. Identification Figure

    IDENTIFICATION FIGURE (Ref. Fig. 2)

    COLUMNS DESCRIPTION

    1 ITEM: Structural part itemAll required items, shown on the appropriate illustration, are listedin this column, in sequential order, beginning with Item Number 1 andcontinuing in steps of 5 (5, 10, 15, etc.).Structural components fitted in the same portion with differenteffectivities will be identified with an item number followed by asuffix letter A, B, C, etc.

    2 DESCRIPTION: Structural part descriptionThis column contains the exact description of structural componentshown in the appropriate illustrations.

    3 PART NUMBERStructural components will be given a manufacturer part numberconsisting of twelve characters. In general, the "as drawn" partsare LH. Where necessary, three additional characters are given forsymmetrical item (RH item). If available, the appropriate standard(production methods) will be given here (Ref. Fig. 5 Sheet 1).

    4 MAT SPEC TREATMENT: Material and treatment of structure partsMaterial specification for metallic and/or non metallic components(Refer to SRM 51-30-00 (MATERIALS, ALTERNATIVES AND EQUIVALENTS -GENERAL)) are listed in this column. Complicated composite componentsare identified in detail by number of plies, material thickness and plydirection given in an appropriate table in the figure.

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    IDENTIFICATION FIGURE (Ref. Fig. 2)

    COLUMNS DESCRIPTION

    5 INTERCHANGEABILITY "IC"In the column is shown the interchangeability condition of a component(P/N).The interchangeability condition of concerned component is defined withone of following code numbers:

    01: One way InterchangeabilityStates that the post MOD item can be used to replace a pre MOD itemwithout special action being required (not vice versa).

    02: Two way InterchangeabilityEither the post MOD or pre MOD items can be used.

    03: No InterchangeabilityThe basic item and post MOD item are not interchangeable.

    6 THK mm (in): Thickness of structural componentWhere necessary, information concerning the thickness of sheet metalcomponent will be given in this column. The US/Imperial conversion(based on 1 in. = 25.4 mm) will be given in brackets. For machinedmetallic parts with variable thickness and composite materials,thicknesses are given by appropriate tables.

    7 OBSERVATIONS MOD/SB/REPAIRInformation regarding the status "Before Modification" or "AfterModification" or "Before or After Service Bulletin" shall appear inthis column.A prefix letter shall be applied for Before/After/Mod/SB statement asfollows:

    Be. = Before SB/Mod.

    Af. = After SB/Mod.

    In this column, the reference to a repair is given. The followingindications may be used:

    For repair, see Pages REPAIR or

    For repair, see XX-XX-XX Pages REPAIR

    following the cases (XX-XX-XX for existing specific or general repairsChapter/Section/Subject Number is inserted).Where no repair exists, the space is left blank. Should a repair berequired and no information is given, a request must be sent to:ATR Structure Department1, Alle Pierre Nadot31712 BLAGNAC CedexFRANCEFax: + 33(0)562216290E-mail: [email protected]

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    IDENTIFICATION FIGURE (Ref. Fig. 2)

    COLUMNS DESCRIPTION

    8 ASSY DWGDrawings used for store issue of structural component.

    C. Allowable Damage (Ref. Fig. 3)The allowable damage procedure gives the related data applicable to theconcerned area.

    D. RepairThe repair procedure includes two parts:

    1. the "JOB SET-UP INFORMATION" topic that gives all the information necessaryto do the repair.This topic has the tables that follows:

    NOTE : Only the tables applicable to the Repair are in the repair

    TABLE DESCRIPTION

    REPAIR MATERIAL LIST This table records the repair material used to do theprocedure.The materials are associated with a reference to therelevant chapter 51 for the standard procedure

    MATERIALS/CONSUMABLELIST

    This table records the consumable used to do theprocedure.The consumable are associated with a reference to therelevant chapter 51 for the standard procedure

    TOOLS LIST This table records the specific tool used to do theprocedure.

    REFERENCED INFORMATION This table records the referenced information used todo the procedure.

    2. The "PROCEDURE" topic that gives all the instructions to do the repair.The PROCEDURE topic is structured in subtask.

    E. AMTOSS NumberingThe AMTOSS part numbers has a standard structure (Ref. Fig. 4)

    5. Part Number Specification

    A. Structure of A/C Manufacturer Part Number(Ref. Fig. 5)Suffix added to comply with manufacturing or spares requirements with thepurpose of a more detailed definition not specified in the Drawing.The allocation of suffixes between Product Support and engineering/Manufacturing is as follows:

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    B. FOR CHAPTERS 52, 53 AND 55

    SUFFIXES DEFINITION REMARKS

    00 Part to drawing 00 = Part produced according to drawing

    01 to 055051

    Production Part notto drawing

    01 = Part with pilot hole 2.5 mm dia. (3/32 in.)as specified on drawing02 = Undrilled part03 = Increased perimeter and finished holes04 = Increased perimeter and pilot holes05 = Increased perimeter and not drilled06 = Assy similar to drawing, but with differentcomposition

    50 = Identical to drawing

    51 = Special specification

    60 to 89 Spare Part not todrawing and notstockable

    99 Spare Part to drawingand not stockable

    Numbering required for Product Support Breakout,but not applicable to production.

    NOTE : Several suffixes are used by Spare Department to manufacture special P/N. and not as partially manufactured to allow the installation in theconstruction process. referring some diversion from the manufactured one.

    NOTE : Means that for production needs the assy has to be manufacturedwith less or more components installed. The components not installedmay be furnished to the customer separately.

    C. FOR CHAPTERS 54 AND 57

    NOTE : For ATA Chapters 54 and 57, the delivery status of spare parts, notto drawing, is not univocally identified by suffix. In this case thedesired delivery condition must be clearly mentioned on the part order(e.g. "UNDRILLED", "WITH PILOT HOLES", etc.).

    6. ATA iSpec 2200 Changes and CrossReferences Table Between Before and AfterConversion

    ATR Structural Repair Manual Conversion has been provided in order to switch fromthe old ATA100 specification to the new iSpec 2200 specification.

    ATR SRM Conversion is effective starting from June 2013 revision.

    A. The Main Changement are:

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    1. Old task numbers (example: chapter 530000 Figure 437) are not usedanymore. AMTOSS Code are the unique references which have to be used(example: 530000300837A01).

    2. Allowable damages are numbered 200 in the AMTOSS Code (and not either 300 asbefore).

    3. Repairs are numbered 300 in the AMTOSS Code (and not either 400 as before).

    B. CrossReferences Table Between Before and After Conversion

    In order to facilitate the research of a task with different reference beforeand after the Conversion, a cross-reference table is provided. The tablesincludes the allowable damages and the repair procedures introduced in themanual until February 2013 revision.

    CHAPTER 52

    Table 6: ALLOWABLE DAMAGEBefore

    ConversionAfter Conversion Title After Conversion

    (Refer to Damages521100-200-801-A01)

    AFT PASSENGER/CREW DOOR

    (Refer to Damages521100-200-804-A01)

    AFT PASSENGER/CREW DOOR ALLOWABLESCRATCHES, SCORES AND ABRASIONS

    (Refer to Damages521100-200-805-A01)

    AFT PASSENGER/CREW DOORALLOWABLE SCRATCHES IN

    MACHINED AND EXTRUDED PARTS

    521100Fig 301

    (Refer to Damages521100-200-806-A01)

    AFT PASSENGER/CREW DOOR ALLOWABLEDENTS IN SKIN PANELS (DE)

    521100Fig 302

    (Refer to Damages521100-200-802-A01)

    AFT PASSENGER/CREW DOOR SHOOT BOLT

    521100Fig 303

    (Refer to Damages521100-200-803-A01)

    AFT PASSENGER/CREW DOORCOUNTERBALANCE SPRINGS

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    BeforeConversion

    After Conversion Title After Conversion

    (Refer to Damages522100-200-801-A01)

    PASSENGER COMPARTMENTEMERGENCY EXIT

    (Refer to Damages522100-200-802-A01)

    PASSENGER COMPARTMENTEMERGENCY EXIT ALLOWABLE

    SCRATCHES, SCORES AND ABRASIONS

    (Refer to Damages522100-200-803-A01)

    PASSENGER COMPARTMENT EMERGENCYEXIT ALLOWABLE SCRATCHES INMACHINED AND EXTRUDED PARTS

    522100Fig 301

    (Refer to Damages522100-200-804-A01)

    PASSENGER COMPARTMENTEMERGENCY EXIT ALLOWABLEDENTS IN SKIN PANELS (DE)

    (Refer to Damages522200-200-801-A01)

    FLIGHT COMPARTMENT OVERHEAD HATCH

    (Refer to Damages522200-200-802-A01)

    FLIGHT COMPARTMENT OVERHEADHATCH ALLOWABLE SCRATCHES,

    SCORES AND ABRASIONS

    (Refer to Damages522200-200-803-A01)

    FLIGHT COMPARTMENT OVERHEADHATCH ALLOWABLE SCRATCHES INMACHINED AND EXTRUDED PARTS

    522200Fig 301

    (Refer to Damages522200-200-804-A01)

    FLIGHT COMPARTMENT OVERHEADHATCH ALLOWABLE DENTSIN SKIN PANELS (DE)

    (Refer to Damages523100-200-801-A01)

    CARGO COMPARTMENT DOOR

    (Refer to Damages523100-200-803-A01)

    CARGO COMPARTMENT DOOR ALLOWABLESCRATCHES, SCORES AND ABRASIONS

    (Refer to Damages523100-200-804-A01)

    CARGO COMPARTMENT DOORALLOWABLE SCRATCHES IN

    MACHINED AND EXTRUDED PARTS

    523100Fig 301

    (Refer to Damages523100-200-805-A01)

    CARGO COMPARTMENT DOOR ALLOWABLEDENTS IN SKIN PANELS (DE)

    523100Fig 302

    (Refer to Damages523100-200-802-A01)

    CARGO DOOR HINGES(FUSELAGE AND DOOR SIDE)

    (Refer to Damages524200-200-801-A01)

    SERVICE DOOR

    (Refer to Damages524200-200-803-A01)

    SERVICE DOOR ALLOWABLESCRATCHES, SCORES AND ABRASIONS

    (Refer to Damages524200-200-804-A01)

    SERVICE DOOR ALLOWABLE SCRATCHESIN MACHINED AND EXTRUDED PARTS

    524200Fig 301

    (Refer to Damages524200-200-805-A01)

    SERVICE DOOR ALLOWABLEDENTS IN SKIN PANELS (DE)

    524200Fig 302

    (Refer to Damages524200-200-802-A01)

    SERVICE DOOR SHOOT BOLT

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    BeforeConversion

    After Conversion Title After Conversion

    528200Fig 301

    (Refer to Damages528200-200-801-A01)

    NLG AFT DOORS

    Table 7: REPAIRBefore

    ConversionAfter Conversion Title After Conversion

    520000Fig 401

    (Refer to Repair520000-300-801-A01)

    REPAIR SCHEME FOR HOLE FILLINGBY FASTENER ON THE DOORS SKIN

    521100Fig 401

    (Refer to Repair521100-300-801-A01)

    AFT PASSENGER/CREW DOOR SHOOT BOLT SURFACE REPAIR

    521100Fig 402

    (Refer to Repair521100-300-802-A01)

    AFT PASSENGER/CREW DOOR FWD BTM INTERNAL REPAIR

    521100Fig 403

    (Refer to Repair521100-300-803-A01)

    AFT PASSENGER/CREW DOOR AFT BTM INTERNAL REPAIR

    521100Fig 404

    (Refer to Repair521100-300-804-A01)

    AFT PASSENGER/CREW DOOR BOTTOM INTERNAL REPAIR

    521100Fig 405

    (Refer to Repair521100-300-805-A01)

    AFT PASSENGER/CREW DOOR REPAIRSCHEME FOR INNER SKIN TOP AFT

    521100Fig 406

    (Refer to Repair521100-300-806-A01)

    AFT PASSENGER/CREW DOOR REPAIR SCHEME FOR INNERSKIN FWD UPPER SIDE

    521100Fig 407

    (Refer to Repair521100-300-807-A01)

    AFT PASSENGER/CREW DOOR REPAIR SCHEME FOR INNERSKIN FWD UPPER SIDE

    521100Fig 408

    (Refer to Repair521100-300-808-A01)

    AFT PASSENGER/CREW DOOR CRACK REPAIR LAST STEP FWDSEMI AUTOMATIC HANDRAIL

    521100Fig 409

    (Refer to Repair521100-300-809-A01)

    AFT PASSENGER CREW DOOR- INTERMEDIATE STEPS FWDAND AFT - CRACK REPAIR

    522100Fig 401

    (Refer to Repair522100-300-801-A01)

    PASSENGER COMPARTMENT EMERGENCYEXIT LOCALIZED DENT - SKINREPAIR BY EXTERNAL PATCH

    523100Fig 401

    (Refer to Repair523100-300-801-A01)

    CARGO COMPARTMENTDOOR PAN REPAIR

    523100Fig 402

    (Refer to Repair523100-300-802-A01)

    CARGO COMPARTMENT DOOR FITTINGFOR LOWERING ARTICULATION POINT

    523100Fig 403

    (Refer to Repair523100-300-803-A01)

    REPAIR SCHEME FORINTERCOSTAL REPAIR-CARGODOOR STA6250, STA6174

    523100Fig 404

    (Refer to Repair523100-300-804-A01)

    REPAIR SCHEME FORINTERCOSTAL REPAIR-CARGO DOOR

    523100Fig 405

    (Refer to Repair523100-300-805-A01)

    REPAIR SCHEME FOR CARGO DOOR PANREPAIR AT STRUT FITTING LOCATION

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    BeforeConversion

    After Conversion Title After Conversion

    523100Fig 406

    (Refer to Repair523100-300-806-A01)

    REPAIR SCHEME FOR CARGO DOOR PANREPAIR AT STRUT FITTING LOCATION

    523100Fig 407

    (Refer to Repair523100-300-807-A01)

    REPAIR SCHEME FORINTERCOSTAL REPAIR-CARGO DOOR

    523100Fig 408

    (Refer to Repair523100-300-808-A01)

    CARGO COMPARTMENT DOORREPAIR SCHEME FOR INTERCOSTAL

    REPAIR STA6174, STA6250

    523100Fig 409

    (Refer to Repair523100-300-809-A01)

    CARGO COMPARTMENT DOORREPAIR SCHEME FOR INTERCOSTALREPAIR STA6434.75, STA6619.5,STA6695.5, STA7065, STA7141

    523100Fig 410

    (Refer to Repair523100-300-810-A01)

    CARGO COMPARTMENT DOOR - PANREPAIR - ACTUATOR FITTING AREA

    524100Fig 401

    (Refer to Repair524100-300-801-A01)

    REPAIR SCHEME FOR AFTACCESS DOOR SKIN AT FRAME 45

    524200Fig 401

    (Refer to Repair524200-300-801-A01)

    SERVICE DOOR SHOOT BOLTSURFACE REPAIR (STEP BY STEP)

    524200Fig 402

    (Refer to Repair524200-300-802-A01)

    SERVICE DOOR PANREPAIR ON FWD BTM SIDE

    524200Fig 403

    (Refer to Repair524200-300-803-A01)

    SERVICE DOOR PANREPAIR ON AFT BOTTOM SIDE

    524200Fig 404

    (Refer to Repair524200-300-804-A01)

    SERVICE DOOR PANREPAIR ON AFT BOTTOM SIDE

    524200Fig 405

    (Refer to Repair524200-300-805-A01)

    SERVICE DOOR - REPAIRSCHEME FOR SERVICE DOOR

    LOWER FRONT AND REAR CORNER

    524200Fig 406

    (Refer to Repair524200-300-806-A01)

    SERVICE DOOR REPAIR SCHEME FORDAMAGED SKIN AT DOOR HINGE AREA

    528100Fig 401

    (Refer to Repair528100-300-801-A01)

    MLG DOORS METALLICSANDWICH PANELS REPAIR

    528100Fig 402

    (Refer to Repair528100-300-802-A01)

    MLG DOOR REPAIRSCHEME FOR DAMAGE DOORREAR EDGE (OBSOLETE)

    528100Fig 403

    (Refer to Repair528100-300-803-A01)

    MLG DOOR REPAIR SCHEME FORDEBONDING ON FOLDING DOOR EDGE

    528100Fig 404

    (Refer to Repair528100-300-804-A01)

    MLG DOOR REPAIR SCHEMEEDGE SKIN DEBONDING

    528100Fig 405

    (Refer to Repair528100-300-805-A01)

    MLG DOOR OUTER SKINREPAIR (LH/RH SIDE)

    528100Fig 406

    (Refer to Repair528100-300-806-A01)

    MLG CORROSION REPAIR UNDERSEAL RETAINER (LH/RH)

    528200Fig 401

    (Refer to Repair528200-300-801-A01)

    NLG DOORS REPAIR ANDREINFORCEMENT OF THE

    ANGLES OF AFT NLG DOORS

  • ATR42-400/500 - STRUCTURAL REPAIR MANUAL

    INTRODUCTION Page 14

    R Oct 01/14

    BeforeConversion

    After Conversion Title After Conversion

    528200Fig 402

    (Refer to Repair528200-300-802-A01)

    NLG DOORS REPAIR SCHEMEFOR AFT DOOR CORE SKIN DEBOND

    528200Fig 403

    (Refer to Repair528200-300-803-A01)

    NLG DOORS REPAIR SCHEMEFOR DAMAGED AFT DOOR

    528200Fig 404

    (Refer to Repair528200-300-804-A01)

    REPAIR SCHEME TO REPLACETHE BUSHING OF AFT NLG

    DOOR HINGE FITTING (LH/RH)

    CHAPTER 53

    Table 8: ALLOWABLE DAMAGEBefore

    ConversionAfter Conversion Title After Conversion

    530000Fig 301

    (Refer to Damages530000-200-801-A01)

    CARGO AREA FLOOR PANEL

    530000Fig 302

    (Refer to Damages530000-200-802-A01)

    AISLE, ENTRY DOOR ANDTOILET AREA FLOOR PANEL

    530000Fig 303

    (Refer to Damages530000-200-803-A01)

    UNDER SEAT AREA FLOOR PANEL

    530000Fig 304

    (Refer to Damages530000-200-804-A01)

    FUSELAGE STRUCTURE SEAT TRACK

    530000Fig 305

    (Refer to Damages530000-200-805-A01)

    FUSELAGE STRUCTURE FLOOR BEAM

    530000Fig 306

    (Refer to Damages530000-200-806-A01)

    FUSELAGE FLOOR PANELS ATTACHMENTWITH SEAT TRACKS AND FLOORBEAMS (FROM FRAME 13 TO 39)- ALLOWABLE MISSING FASTENERS

    (Refer to Damages531100-200-801-A01)

    FUSELAGE NOSE SECTION STRUCTURE

    (Refer to Damages531100-200-803-A01)

    FUSELAGE NOSE SECTIONSTRUCTURE ALLOWABLE

    SCRATCHES, SCORES AND ABRASIONS

    (Refer to Damages531100-200-804-A01)

    FUSELAGE NOSE SECTION STRUCTURE ALLOWABLE SCRATCHES,SCORES AND ABRASIONS INPRESSURIZED BULKHEADS

    (Refer to Damages531100-200-805-A01)

    FUSELAGE NOSE SECTION STRUCTURE ALLOWABLE SCRATCHES IN

    MACHINED AND EXTRUDED PARTS

    531100Fig 301

    (Refer to Damages531100-200-806-A01)

    FUSELAGE NOSE SECTION STRUCTURE ALLOWABLE DENTS IN SKINPANELS (VALID FOR DE)

    531100Fig 302

    (Refer to Damages531100-200-802-A01)

    FUSELAGE NOSE SECTION STRUCTURE STATIC AREA (LH AND RH)

  • ATR42-400/500 - STRUCTURAL REPAIR MANUAL

    INTRODUCTION Page 15

    R Oct 01/14

    BeforeConversion

    After Conversion Title After Conversion

    (Refer to Damages533100-200-801-A01)

    FUSELAGE FWD SECTION STRUCTURE

    (Refer to Damages533100-200-802-A01)

    FUSELAGE FWD SECTION STRUCTURE ALLOWABLE SCRATCHES,SCORES AND ABRASIONS

    (Refer to Damages533100-200-803-A01)

    FUSELAGE FWD SECTION STRUCTURE ALLOWABLE SCRATCHES IN

    MACHINED AND EXTRUDED PARTS

    (Refer to Damages533100-200-804-A01)

    FUSELAGE FWD SECTION STRUCTURE ALLOWABLE DENTS IN SKINPANELS (VALID FOR DE)

    (Refer to Damages533100-200-805-A01)

    FUSELAGE FWD SECTION STRUCTURE WINDOW FRAME ALLOWABLE DAMAGES

    533100Fig 301

    (Refer to Damages533100-200-806-A01)

    FUSELAGE FWD SECTIONSTRUCTURE SEAT TRACK ANDFLOOR BEAM ALLOWABLE

    DAMAGES REFERENCE CHAPTERS

    533181Fig 301

    (Refer to Damages533181-200-801-A01)

    ICE SHIELD LH/RH

    (Refer to Damages535100-200-801-A01)

    FUSELAGE CENTER SECTION STRUCTURE

    (Refer to Damages535100-200-802-A01)

    FUSELAGE CENTER SECTIONSTRUCTURE ALLOWABLE

    SCRATCHES, SCORES AND ABRASIONS

    (Refer to Damages535100-200-803-A01)

    FUSELAGE CENTER SECTION STRUCTURE ALLOWABLE SCRATCHES, SCORES ANDABRASIONS IN PRESSURIZED BULKHEAD

    (Refer to Damages535100-200-804-A01)

    FUSELAGE CENTER SECTION STRUCTURE ALLOWABLE SCRATCHES IN

    MACHINED AND EXTRUDED PARTS

    (Refer to Damages535100-200-805-A01)

    FUSELAGE CENTER SECTIONSTRUCTURE ALLOWABLE

    DENTS IN SKIN PANELS (DE)

    (Refer to Damages535100-200-806-A01)

    FUSELAGE CENTER SECTION STRUCTURE WINDOW FRAME ALLOWABLE DAMAGES

    535100Fig 301

    (Refer to Damages535100-200-807-A01)

    FUSELAGE CENTER SECTIONSTRUCTURE SEAT TRACK ANDFLOOR BEAM ALLOWABLE

    DAMAGES REFERENCE CHAPTERS

    535730Fig 301

    (Refer to Damages535730-200-801-A01)

    MLG ATTACH FITTINGS - LH/RH

    536100Fig 301

    (Refer to Damages536100-200-801-A01)

    FUSELAGE REAR CENTER SECTIONSTRUCTURE ALLOWABLE DAMAGES

  • ATR42-400/500 - STRUCTURAL REPAIR MANUAL

    INTRODUCTION Page 16

    R Oct 01/14

    BeforeConversion

    After Conversion Title After Conversion

    (Refer to Damages536100-200-802-A01)

    FUSELAGE REAR CENTER SECTIONSTRUCTURE ALLOWABLE

    SCRATCHES, SCORES AND ABRASIONS

    (Refer to Damages536100-200-803-A01)

    FUSELAGE REAR CENTER SECTIONSTRUCTURE ALLOWABLE SCRATCHES,

    SCORES AND ABRASIONS INTOILET AND SERVICE POINT AREAS

    (Refer to Damages536100-200-804-A01)

    FUSELAGE REAR CENTER SECTIONSTRUCTURE ALLOWABLE SCRATCHESIN MACHINED AND EXTRUDED PARTS

    (Refer to Damages536100-200-805-A01)

    FUSELAGE REAR SECTIONSTRUCTURE ALLOWABLE

    DENTS IN SKIN PANELS (DE)

    (Refer to Damages536100-200-806-A01)

    FUSELAGE REAR SECTION STRUCTURE WINDOW FRAMES ALLOWABLE DAMAGES

    (Refer to Damages536100-200-807-A01)

    FUSELAGE REAR SECTIONSTRUCTURE ALLOWABLE

    DAMAGES REFERENCE CHAPTERS

    (Refer to Damages538100-200-801-A01)

    FUSELAGE TAIL SECTION STRUCTURE

    (Refer to Damages538100-200-802-A01)

    FUSELAGE TAIL SECTIONSTRUCTURE ALLOWABLE

    SCRATCHES, SCORES AND ABRASIONS

    (Refer to Damages538100-200-803-A01)

    FUSELAGE TAIL SECTION STRUCTURE ALLOWABLE SCRATCHES, SCORES ANDABRASIONS IN PRESSURIZED BULKHEAD

    (Refer to Damages538100-200-804-A01)

    FUSELAGE TAIL SECTION STRUCTURE ALLOWABLE SCRATCHES IN

    MACHINED AND EXTRUDED PARTS

    538100Fig 301

    (Refer to Damages538100-200-805-A01)

    FUSELAGE TAIL SECTIONSTRUCTURE ALLOWABLE

    DENTS IN SKIN PANELS (DE)

    539100Fig 301

    (Refer to Damages539100-200-801-A01)

    RADOME, MLG FAIRINGAND TAIL CONE AREAS

    539120Fig 301

    (Refer to Damages539120-200-801-A01)

    LANDING LIGHT TRANSPARENT COVER

    539122Fig 301

    (Refer to Damages539122-200-801-A01)

    FAIRING SKIN PANELS

    539124Fig 301

    (Refer to Damages539124-200-801-A01)

    STROBO LIGHT TRANSPARENT COVER

  • ATR42-400/500 - STRUCTURAL REPAIR MANUAL

    INTRODUCTION Page 17

    R Oct 01/14

    Table 9: REPAIRBefore

    ConversionAfter Conversion Title After Conversion

    530000Fig 401

    (Refer to Repair530000-300-801-A01)

    FUSELAGE SKIN - REPAIRSCHEME FOR ELONGATED

    HOLES BY SHOULDER BUSHING

    530000Fig 402

    (Refer to Repair530000-300-802-A01)

    FUSELAGE SKIN - SMALLDAMAGE/EXTERNAL REPAIR

    530000Fig 403

    (Refer to Repair530000-300-803-A01)

    FUSELAGE SKIN - SMALLDAMAGE/FLUSH REPAIR

    530000Fig 404

    (Refer to Repair530000-300-804-A01)

    FUSELAGE SKIN - BETWEENSTRINGERS/EXTERNAL REPAIR

    530000Fig 405

    (Refer to Repair530000-300-805-A01)

    FUSELAGE SKIN - BETWEENSTRINGERS/FLUSH REPAIR

    530000Fig 406

    (Refer to Repair530000-300-806-A01)

    FUSELAGE SKIN - ATSTRINGER/EXTERNAL REPAIR

    530000Fig 407

    (Refer to Repair530000-300-807-A01)

    FUSELAGE SKIN - ATSTRINGER/FLUSH REPAIR

    530000Fig 408

    (Refer to Repair530000-300-808-A01)

    FUSELAGE SKIN - AT FRAME (WITHSKIN PAD)/EXTERNAL REPAIR

    530000Fig 409

    (Refer to Repair530000-300-809-A01)

    FUSELAGE SKIN - AT FRAME (WITHOUTSKIN PAD)/EXTERNAL REPAIR

    530000Fig 410

    (Refer to Repair530000-300-810-A01)

    FUSELAGE SKIN - AT FRAME(WITHOUT SKIN PAD)/FLUSH REPAIR

    530000Fig 411X

    (Refer to Repair530000-300-811-A01)

    FUSELAGE SKIN - ATSTRINGER/TEMPORARY REPAIR

    530000Fig 412

    (Refer to Repair530000-300-812-A01)

    FUSELAGE SKIN - AT STRINGERLOCATION/EXTERNAL REPAIR(TEMPORARY TO PERMANENT)

    530000Fig 413

    (Refer to Repair530000-300-813-A01)

    FUSELAGE SKIN - AT STRINGERLOCATION/FLUSH REPAIR

    (TEMPORARY TO PERMANENT)

    530000Fig 414

    (Refer to Repair530000-300-814-A01)

    FUSELAGE FRAME -INNER FLANGE REPAIR

    530000Fig 415

    (Refer to Repair530000-300-815-A01)

    FUSELAGE FRAME -OUTER FLANGE REPAIR

    530000Fig 416

    (Refer to Repair530000-300-816-A01)

    FUSELAGE FRAME - HEAVYDAMAGE FLANGE REPAIR

    530000Fig 417

    (Refer to Repair530000-300-817-A01)

    FUSELAGE FRAME - FAILSAFE ANGLE REPAIR

    530000Fig 418

    (Refer to Repair530000-300-818-A01)

    FUSELAGE SEAT TRACK -REPAIR (UPPER HORIZONTAL

    FLANGE REPLACEMENT)

    530000Fig 419

    (Refer to Repair530000-300-819-A01)

    FUSELAGE SEAT TRACK -REPAIR (UPPER HORIZONTALFLANGE + WEB REPLACEMENT)

  • ATR42-400/500 - STRUCTURAL REPAIR MANUAL

    INTRODUCTION Page 18

    R Oct 01/14

    BeforeConversion

    After Conversion Title After Conversion

    530000Fig 420

    (Refer to Repair530000-300-820-A01)

    FUSELAGE SKIN - LONGITUDINALLAP JOINT BETWEEN FRAMES

    (BOTH SKINS ENDSDAMAGED)/EXTERNAL REPAIR

    530000Fig 421

    (Refer to Repair530000-300-821-A01)

    FUSELAGE SKIN - LONGITUDINAL LAPJOINT BETWEEN FRAMES/FLUSH REPAIR

    530000Fig 422

    (Refer to Repair530000-300-822-A01)

    FUSELAGE SKIN - AT FRAME(WITH SKIN PAD)/FLUSH REPAIR

    530000Fig 423

    (Refer to Repair530000-300-823-A01)

    FUSELAGE SKIN - REPAIR SCHEMEFOR UPPER AND LOWER SKINSAT LONGITUDINAL LAP JOINTAND FRAMES/EXTERNAL REPAIR

    530000Fig 424

    (Refer to Repair530000-300-824-A01)

    FUSELAGE SKIN - REPAIRSCHEME FOR UPPER SKIN ATLONGITUDINAL LAP JOINT

    BETWEEN FRAMES/EXTERNAL REPAIR

    530000Fig 425

    (Refer to Repair530000-300-825-A01)

    FUSELAGE STRINGER -FORMED STRINGER REPAIR

    530000Fig 426

    (Refer to Repair530000-300-826-A01)

    FUSELAGE STRINGER - EXTRUSIONSTRINGER OUTSIDE SPECIALSTGR4 AND STGR5 REPAIR

    530000Fig 427

    (Refer to Repair530000-300-827-A01)

    FUSELAGE STRINGER - TYPICALEXTRUDED STRINGER REPAIR

    530000Fig 428

    (Refer to Repair530000-300-828-A01)

    FUSELAGE FLOOR BEAM -FLOOR CROSS BEAM REPAIR

    530000Fig 429

    (Refer to Repair530000-300-829-A01)

    FUSELAGE CREASEBEAM - REPAIR SCHEME

    530000Fig 430

    (Refer to Repair530000-300-830-A01)

    FUSELAGE SKIN - REPAIRSCHEME SKIN FOR HOLEWITH EXTERNAL DOUBLER

    530000Fig 431

    (Refer to Repair530000-300-831-A01)

    FUSELAGE SKIN - REPAIR SCHEME FORSKIN HOLE WITH INTERNAL DOUBLER

    530000Fig 432

    (Refer to Repair530000-300-832-A01)

    FUSELAGE SEAT TRACK -REPAIR SCHEME FOR SPLICING

    530000Fig 433

    (Refer to Repair530000-300-833-A01)

    FUSELAGE FRAME - REPAIRSCHEME FOR LOWER FR13 TOFR34 BETWEEN STGR17 LH/RH

    530000Fig 434

    (Refer to Repair530000-300-834-A01)

    FUSELAGE FRAME - REPAIRSCHEME FOR CORROSION ON

    FRAMES BETWEEN STGR17 LH/RH

    530000Fig 435

    (Refer to Repair530000-300-835-A01)

    FUSELAGE SKIN - REPAIR SCHEMEFOR HOLE FILLING BY FASTENER

    530000Fig 436

    (Refer to Repair530000-300-836-A01)

    FUSELAGE FLOOR BEAM -FRAMES/REPAIR SCHEMEFOR FLOOR BEAM SPLICE

  • ATR42-400/500 - STRUCTURAL REPAIR MANUAL

    INTRODUCTION Page 19

    R Oct 01/14

    BeforeConversion

    After Conversion Title After Conversion

    (Refer to Repair530000-300-860-A01)

    Replaced by DWG S530R0022 issue B

    FUSELAGE FLOOR BEAM - FRAMES/REPAIR SCHEME FOR FLOOR BEAM

    SPLICE AT SEAT TRACK - (OBSOLETE)530000Fig 437

    (Refer to Repair530000-300-837-A01)

    FUSELAGE FLOOR BEAM - SPLICINGPRINCIPLE AT SEAT TRACK (RH SIDE)

    (Refer to Repair530000-300-838-A01)

    FUSELAGE COMPOSITE -BONDED STRUCTURE FIBRELAMSANDWICH PANEL REPAIR530000

    Fig 438(Refer to Repair

    530000-300-839-A01)FUSELAGE COMPOSITE -

    SUPERFICIAL DAMAGE REPAIR

    530000Fig 439

    (Refer to Repair530000-300-840-A01)

    FUSELAGE COMPOSITE -IDENTATION CAUSING DAMAGETO BOTH SKIN AND CORE

    530000Fig 440

    (Refer to Repair530000-300-841-A01)

    FUSELAGE COMPOSITE -DELAMINATION REPAIR

    530000Fig 441

    (Refer to Repair530000-300-854-A01)

    FUSELAGE COMPOSITE - FIBRELAMSANDWICH PANEL INSERT REMOVAL

    530000Fig 442

    (Refer to Repair530000-300-842-A01)

    FUSELAGE FLOOR BEAM -REPAIR SCHEME - FOR SPLICE

    AT SEAT TRACK RUN-OUT

    530000Fig 443

    (Refer to Repair530000-300-843-A01)

    FUSELAGE SEAT TRACK -REPAIR SCHEME FOR SEAT

    TRACK TO FLOOR BEAM JOINT

    530000Fig 444

    (Refer to Repair530000-300-844-A01)

    FUSELAGE FRAME - REPAIR SCHEMEFOR FRAME FAIL SAFE ANGLESPLICE (PRINCIPLE BETWEENTWO ADJACENT STRINGERS)

    530000Fig 445

    (Refer to Repair530000-300-845-A01)

    FUSELAGE FRAME - LWR FRAMEINNER FLANGE SPLICING (FOR

    PARTIAL REPLACEMENT OF FRAME)AT STRINGER LEVEL - (OBSOLETE)

    530000Fig 446

    (Refer to Repair530000-300-846-A01)

    FUSELAGE COMPOSITE - REPAIRSCHEME TO INSTALL INSERT NTA12151OR NTA12150 ON THE FLOOR PANELWITH MISALIGNED/ELONGATED HOLE

    530000Fig 447

    (Refer to Repair530000-300-847-A01)

    FUSELAGE STRINGER -BONDED STRINGER/REPAIRBY STRINGER SPLICE

    530000Fig 448

    (Refer to Repair530000-300-848-A01)

    FUSELAGE STRINGER - BONDEDSTRINGER/DE-BONDED REPAIR

    530000Fig 449

    (Refer to Repair530000-300-849-A01)

    FUSELAGE FLOOR BEAM - REPAIRSCHEME FOR UPPER AND LOWERFLANGE (APPLICABLE TO FLOORBEAM MADE FROM NTA44770)

  • ATR42-400/500 - STRUCTURAL REPAIR MANUAL

    INTRODUCTION Page 20

    R Oct 01/14

    BeforeConversion

    After Conversion Title After Conversion

    530000Fig 450

    (Refer to Repair530000-300-850-A01)

    FUSELAGE COLD WORKED HOLE -REPAIR SCHEME FOR FILLING BYFASTENER ON FUSELAGE FORMED

    FRAMES, STRINGERS, SEAT, TRACKS,FLOOR BEAMS AND STIFFENERS

    (Refer to Repair530000-300-851-A01)

    FUSELAGE CREASE BEAM - SPLICINGPRINCIPLE OF INNER CHORD AT FR19

    (Refer to Repair530000-300-855-A01)

    FUSELAGE CREASE BEAM - SPLICINGPRINCIPLE OF INNER CHORD AT FR20

    (Refer to Repair530000-300-856-A01)

    FUSELAGE CREASE BEAM - SPLICINGPRINCIPLE OF INNER CHORD AT FR21

    530000Fig 451

    (Refer to Repair530000-300-857-A01)

    FUSELAGE CREASE BEAM - SPLICINGPRINCIPLE OF INNER CHORDAT FR31 OR FR32 OR FR33

    530000Fig 452

    (Refer to Repair530000-300-852-A01)

    FUSELAGE FLOOR BEAM -SPLICING PRINCIPLE AT STATION

    STA6427.3, STA6887.7,STA7348, STA10076 AND STA15959

    530000Fig 453

    (Refer to Repair530000-300-853-A01)

    FUSELAGE SEAT TRACK -REPAIR SCHEME FOR SEAT TRACK

    SPLICING AT FLOOR BEAM

    530000Fig 454

    (Refer to Repair530000-300-858-A01)

    FUSELAGE FLOOR BEAM - SPLICINGPRINCIPLE AT FR36 NEAR BL0

    530000Fig 455

    (Refer to Repair530000-300-859-A01)

    FUSELAGE FLOOR BEAM -SPLICING PRINCIPLE AT FR36

    531100Fig 401

    (Refer to Repair531100-300-801-A01)

    REPAIR SCHEME FORFUSELAGE SKIN/OIL CANNING

    531110Fig 401

    (Refer to Repair531110-300-801-A01)

    REPAIR SCHEME FOR DAMAGEDWEB CHORD AND SPLICE PLATE

    531110Fig 402

    (Refer to Repair531110-300-802-A01)

    REPAIR SCHEME FOR DAMAGEDBULKHEAD CHORD BETWEEN

    BL0 AND BL475 - LH/RH SIDE

    531110Fig 403

    (Refer to Repair531110-300-803-A01)

    REPAIR SCHEME FOR BURN FR1 WEB

    531110Fig 404

    (Refer to Repair531110-300-804-A01)

    REPAIR SCHEME FOR DAMAGEDFR1 WEB AT STA2962

    531110Fig 405

    (Refer to Repair531110-300-805-A01)

    REPAIR BULKHEADSTIFFENERS CORROSION

    531110Fig 406

    (Refer to Repair531110-300-806-A01)

    LOWER WEB FRAME 1CORROSION REPAIR (LH/RH)BETWEEN BL187.5 AND BL350

    531124Fig 401

    (Refer to Repair531124-300-801-A01)

    REPAIR SCHEME FOR DAMAGEDSKIN BETWEEN FR5 AND FR6 ANDFROM WL2327.5 TO WL2640.4

  • ATR42-400/500 - STRUCTURAL REPAIR MANUAL

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    R Oct 01/14

    BeforeConversion

    After Conversion Title After Conversion

    531128Fig 401

    (Refer to Repair531128-300-801-A01)

    REPAIR SCHEME FOR LOWERPANEL AT FR9 AND BETWEEN

    STGR11 AND STGR12A

    531128Fig 402

    (Refer to Repair531128-300-802-A01)

    REPAIR SCHEME FOR SKIN CORROSIONAT DME 2 ANTENNA LOCATION

    531128Fig 403

    (Refer to Repair531128-300-802-B01)

    REPAIR SCHEME FOR SKIN CORROSIONAT DME 2 ANTENNA LOCATION

    531128Fig 405

    (Refer to Repair531128-300-805-A01)

    RH LOWER AFT PANEL -REPAIR GROUND POWER BOX

    531128Fig 406

    (Refer to Repair531128-300-806-A01)

    RH LOWER AFT PANEL -DOUBLER FOR EXTERNAL DCPOWER RECEPTACLE REPAIR

    531128Fig 407

    (Refer to Repair531128-300-807-A01)

    RH LOWER AFT PANEL -POWER BOX CRACK REPAIR

    531128Fig 408

    (Refer to Repair531128-300-808-A01)

    RH LOWER AFT SKIN PANEL REPAIRBETWEEN FR7 AND FR8 AT BL800

    531131Fig 401

    (Refer to Repair531131-300-801-A01)

    REPAIR SCHEME FOR CRACK OFLOWER SILL BETWEEN NODES 6/7

    531140Fig 401

    (Refer to Repair531140-300-801-A01)

    REPAIR SCHEME FOR DAMAGED TEEFLOOR BEAM SPLICE AT STA4426/FR7

    531140Fig 402X

    (Refer to Repair531140-300-802-A01)

    TEMPORARY REPAIR SCHEME FOR CRACKON LH/RH FRAME 5 AT STA3982.5

    531140Fig 403

    (Refer to Repair531140-300-803-A01)

    PERMANENT REPAIR SCHEME FORFUSELAGE FRAME 5 BETWEENSTGR11 AND NODE 6 (LH/RH)

    533121Fig 401

    (Refer to Repair533121-300-801-A01)

    CROWN PANEL - REPAIR SCHEMEFOR SKIN CORROSION AT ADF1 ANDADF2 ANTENNA LOCATION (COLLINS)

    533126Fig 401

    (Refer to Repair533126-300-801-A01)

    REPAIR SCHEME FOR FUSELAGE LOWERSKIN CORROSION BETWEEN FR19 ANDFR20 AT BL0 UNDER TCAS ANTENNA

    533126Fig 402

    New Repair moved from531128 Fig.404 to533126 Fig.402(Refer to Repair

    533126-300-802-A01)

    REPAIR SCHEME FOR SKIN CORROSIONAT DME1 ANTENNA LOCATION

    533150Fig 401

    (Refer to Repair533150-300-801-A01)

    CHORD CREASE BEAM REPAIR

    533181Fig 401

    (Refer to Repair533181-300-801-A01)

    REPAIRS FOR METALLIC ICE SHIELD

    533300Fig 401

    (Refer to Repair533300-300-801-A01)

    REPAIR SCHEME FORSEAT TRACK SPLICING

    535140Fig 401

    (Refer to Repair535140-300-801-A01)

    REPAIR SCHEME FOR CRACK ON FR26/STGR13 (LH/RH) - (OBSOLETE)

  • ATR42-400/500 - STRUCTURAL REPAIR MANUAL

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    BeforeConversion

    After Conversion Title After Conversion

    535300Fig 401

    (Refer to Repair535300-300-801-A01)

    SEAT TRACKS - REPAIR SCHEMEFOR SEAT TRACK SPLICING

    535730Fig 401

    (Refer to Repair535730-300-801-A01)

    REPAIR SCHEME FOR CORROSIONBLEND OUT ALLOWABLE DAMAGE ONTRUSS SHEAR MEMBER LUGS, F/S AND R/S MLG FITTINGS LUGSAND F/S AND R/S STRUTS LUGS

    (Refer to Repair535770-300-801-A01)

    KEEL BEAM PLATE REPAIR LH/RH SIDE BETWEEN FRAME 25 AND

    FRAME 27 AT STRINGER 21 (4 CASES)535770Fig 401

    (Refer to Repair535770-300-802-A01)

    MLG BULKHEADS - KEEL BEAM PLATEREPAIR LH/RH BETWEEN FRAME 25 ANDFRAME 27 AT STRINGER 21 (4 CASES)

    536125Fig 401

    (Refer to Repair536125-300-801-A01)

    LH LATERAL LOWER PANEL - REPAIRSCHEME FOR PAX DOOR SURROUND SKINAT SHOOT BOLT LOCATION LH/RH SIDE

    536140Fig 401

    (Refer to Repair536140-300-801-A01)

    REPAIR SCHEME FOR FRAMES 30,31, 33 AND 34 SPLICING LH ANDRH BETWEEN STRINGERS 10 AND 11

    536140Fig 402

    (Refer to Repair536140-300-802-A01)

    REPAIR SCHEME FOR FLOOR BEAMREPLACEMENT BY SPLICE AT FRAME41 (STA19149) LH AND RH SIDE

    536140Fig 403

    (Refer to Repair536140-300-803-A01)

    REPAIR SCHEME FOR FRAME 36SPLICING LH AND RH AT STRINGER 18

    536140Fig 404

    (Refer to Repair536140-300-804-A01)

    REPAIR SCHEME FOR FRAME 38SPLICING LH AND RH AT STRINGER 18

    536140Fig 405

    (Refer to Repair536140-300-805-A01)

    REPAIR SCHEME FOR FRAME 39SPLICING LH AND RH AT STRINGER 18

    536140Fig 406

    (Refer to Repair536140-300-806-A01)

    FRAMES - STA17319/FR36 -REPAIR SCHEME FOR LOCAL

    REINFORCEMENT BETWEEN STGR14AND STGR15 (RH/LH SIDE)

    536140Fig 407

    (Refer to Repair536140-300-807-A01)

    REPAIR SCHEME FOR LOWERFRAME 40 SPLICING BETWEENSTGR19 LH AND STGR19 RH

    536140Fig 408

    (Refer to Repair536140-300-808-A01)

    FLOOR BEAM CORROSION REPAIRAT STA19149/FR41 RH SIDE

    536300Fig 401

    (Refer to Repair536300-300-801-A01)

    SEAT TRACKS - REPAIR SCHEMEFOR SEAT TRACK SPLICING

    536770Fig 401

    (Refer to Repair536770-300-801-A01)

    FRAMES - STA17459/FR37 -REPAIR SCHEME FOR LOCALREINFORCEMENT BETWEEN

    STGR14 AND STGR15 (RH SIDE)

    538140Fig 401

    (Refer to Repair538140-300-801-A01)

    FRAME - REPAIR SCHEME FOR A LIGHTCORROSION ON FRAME 44 (STA 20425)

  • ATR42-400/500 - STRUCTURAL REPAIR MANUAL

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    BeforeConversion

    After Conversion Title After Conversion

    538140Fig 402

    (Refer to Repair538140-300-802-A01)

    FRAME - REPAIR SCHEME FOR A HEAVYCORROSION ON FRAME 44 (STA 20425)

    538300Fig 401

    (Refer to Repair538300-300-801-A01)

    SEAT TRACKS - REPAIR SCHEMEFOR SEAT TRACK SPLICING

    539121Fig 401

    (Refer to Repair539121-300-801-A01)

    RADOME REPAIR

    539121Fig 402

    (Refer to Repair539121-300-802-A01)

    RADOME PAINTING

    (Refer to Repair539121-300-803-A01)

    RADIO ELECTRIC INSPECTION539121Fig 403 (Refer to Repair

    539121-300-804-A01)INSTALLATION OF LIGHTNINGPROTECTION AND INSPECTION

    539122Fig 401

    (Refer to Repair539122-300-801-A01)

    WING TO FUSELAGE FAIRINGSKIN PANELS - REPAIR

    539142Fig 401

    (Refer to Repair539142-300-801-A01)

    REPAIR SCHEME FOR FLANGERIB 29 LH AND RH SIDE

    539143Fig 401

    (Refer to Repair539143-300-801-A01)

    REPAIR SCHEME FOR MLG FAIRINGFRAME 27A (LH/RH) SMALLER DAMAGE

    539143Fig 402

    (Refer to Repair539143-300-802-A01)

    REPAIR SCHEME FOR MLGFAIRING FRAME 27A (LHAND RH) BIGGER DAMAGE

    539180Fig 401

    (Refer to Repair539180-300-801-A01)

    MISCELLANEOUS - MLGFAIRING RIB REPAIR

    CHAPTER 54

    Table 10: ALLOWABLE DAMAGEBefore

    ConversionAfter Conversion Title After Conversion

    541161Fig 301Config 1

    (Refer to Damages541161-200-801-A01)

    TUBULAR MOUNT

    541161Fig 301Config 2

    (Refer to Damages541161-200-801-B01)

    TUBULAR MOUNT

    542161Fig 301Config 1

    (Refer to Damages542161-200-801-A01)

    TUBULAR MOUNT

    542161Fig 301Config 2

    (Refer to Damages542161-200-801-B01)

    TUBULAR MOUNT

  • ATR42-400/500 - STRUCTURAL REPAIR MANUAL

    INTRODUCTION Page 24

    R Oct 01/14

    Table 11: REPAIRBefore

    ConversionAfter Conversion Title After Conversion

    541161Fig 401Config 1

    (Refer to Repair541161-300-801-A01)

    REPAIR SCHEME FOR ASUPERFICIAL SMOOTHING

    ON FORWARD TUBULAR MOUNT

    541161Fig 401Config 2

    (Refer to Repair541161-300-801-B01)

    REPAIR SCHEME FOR ASUPERFICIAL SMOOTHING

    ON FORWARD TUBULAR MOUNT

    541161Fig 402Config 1

    (Refer to Repair541161-300-802-A01)

    REPAIR SCHEME FOR ACALIBRATED SMOOTHING ONFORWARD TUBULAR MOUNT

    541161Fig 402Config 2

    (Refer to Repair541161-300-802-B01)

    REPAIR SCHEME FOR ACALIBRATED SMOOTHING ONFORWARD TUBULAR MOUNT

    541162Fig 401Config 1

    (Refer to Repair541162-300-801-A01)

    ATTACH FITTINGS REPAIR SCHEMEFOR FWD BEAM ATTACHMENT JUNCTION

    SHACKLE (ELONGATED HOLES)

    541162Fig 401Config 2

    (Refer to Repair541162-300-801-B01)

    ATTACH FITTINGS REPAIR SCHEMEFOR FWD BEAM ATTACHMENT JUNCTION

    SHACKLE (ELONGATED HOLES)

    541261Fig 401Config 1

    (Refer to Repair541261-300-801-A01)

    COWLS AND FAIRINGS REPAIRSCHEME FOR DAMAGED COWL

    541261Fig 401Config 2

    (Refer to Repair541261-300-801-B01)

    COWLS AND FAIRINGS REPAIRSCHEME FOR DAMAGED COWL

    541261Fig 402Config 1

    (Refer to Repair541261-300-802-A01)

    COWLS AND FAIRINGS REPAIR SCHEME FOR CRACKSON OUTLET ASSY - AIR

    541261Fig 403Config 1

    (Refer to Repair541261-300-803-A01)

    COWLS AND FAIRINGS REPAIRSCHEME FOR CRACK ON AFT EDGING

    541261Fig 402Config 2

    (Refer to Repair541261-300-803-B01)

    COWLS AND FAIRINGS REPAIRSCHEME FOR CRACK ON AFT EDGING

    541261Fig 404Config 1

    (Refer to Repair541261-300-804-A01)

    OIL COOLER DUCT REPAIRSCHEME FOR CRACKS ON UPPERSURFACE AT ATTACHMENT HOLES

    541261Fig 405Config 1

    (Refer to Repair541261-300-805-A01)

    OIL COOLER DUCT REPAIR SCHEMEFOR CRACKS, CHIPPING AND

    ELONGATION AT ATTACHMENT HOLES

    541261Fig 406Config 1

    (Refer to Repair541261-300-806-A01)

    OIL COOLER DUCT REPAIR SCHEMEFOR CRACKS ON UPPER SURFACE

  • ATR42-400/500 - STRUCTURAL REPAIR MANUAL

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    R Oct 01/14

    BeforeConversion

    After Conversion Title After Conversion

    541261Fig 403Config 2

    (Refer to Repair541261-300-806-B01)

    OIL COOLER DUCT REPAIR SCHEMEFOR CRACKS ON UPPER SURFACE

    541261Fig 407Config 1

    (Refer to Repair541261-300-807-A01)

    OIL COOLER DUCT REPAIR SCHEMEFOR WEARS ON UPPER SURFACE

    541261Fig 408Config 1

    (Refer to Repair541261-300-808-A01)

    COWL AND FAIRING REPAIRSCHEMES FOR CRACK ON UPPERCOWL AT CENTER CUT OUT

    541261Fig 404Config 2

    (Refer to Repair541261-300-808-B01)

    COWL AND FAIRING REPAIRSCHEMES FOR CRACK ON UPPER COWL

    541261Fig 409Config 1

    (Refer to Repair541261-300-809-A01)

    COWL AND FAIRING REPAIRSCHEMES FOR CRACK ON SKINOF UPPER COWL AT CORNER

    541261Fig 405Config 2

    (Refer to Repair541261-300-809-B01)

    COWL AND FAIRING REPAIR SCHEMESFOR CRACK ON SKIN OF UPPER COWL

    541261Fig 410Config 1

    (Refer to Repair541261-300-810-A01)

    COWL AND FAIRING REPAIRSCHEMES FOR THE EDGINGCRACK ON UPPER COWL

    541261Fig 406Config 2

    (Refer to Repair541261-300-810-B01)

    COWL AND FAIRING REPAIRSCHEMES FOR THE EDGINGCRACK ON UPPER COWL

    541261Fig 411Config 1

    (Refer to Repair541261-300-811-A01)

    COWL AND FAIRING REPAIRSCHEME FOR UPPER COWLCOMPONENTS REPLACEMENT

    541261Fig 407Config 2

    (Refer to Repair541261-300-811-B01)

    COWL AND FAIRING REPAIRSCHEME FOR UPPER COWLCOMPONENTS REPLACEMENT

    542161Fig 401Config 1

    (Refer to Repair542161-300-801-A01)

    REPAIR SCHEME FOR A SUPERFICIALSMOOTHING ON REAR TUBULAR MOUNT

    542161Fig 401Config 2

    (Refer to Repair542161-300-801-B01)

    REPAIR SCHEME FOR A SUPERFICIALSMOOTHING ON REAR TUBULAR MOUNT

    542161Fig 402Config 1

    (Refer to Repair542161-300-802-A01)

    REPAIR SCHEME FOR A CALIBRATEDSMOOTHING ON REAR TUBULAR MOUNT

    542161Fig 402Config 2

    (Refer to Repair542161-300-802-B01)

    REPAIR SCHEME FOR A CALIBRATEDSMOOTHING ON REAR TUBULAR MOUNT

    542261Fig 401Config 1

    (Refer to Repair542261-300-801-A01)

    REPAIR SCHEME FOR DAMAGEDEDGE ON LATERAL PANEL

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    INTRODUCTION Page 26

    R Oct 01/14

    BeforeConversion

    After Conversion Title After Conversion

    542261Fig 401Config 2

    (Refer to Repair542261-300-801-B01)

    REPAIR SCHEME FOR DAMAGEDEDGE ON LATERAL PANEL

    542261Fig 402Config 1

    (Refer to Repair542261-300-802-A01)

    REPAIR SCHEME FOR CRACK ONFIREWALL DEFINITION OF ZONES

    542261Fig 402Config 2

    (Refer to Repair542261-300-802-B01)

    REPAIR SCHEME FOR CRACK ONFIREWALL DEFINITION OF ZONES

    542261Fig 403XConfig 1

    (Refer to Repair542261-300-803-A01)

    TEMPORARY REPAIR SCHEME FORCRACK ON UPPER FIREWALL PANEL

    542261Fig 403XConfig 2

    (Refer to Repair542261-300-803-B01)

    TEMPORARY REPAIR SCHEME FORCRACK ON UPPER FIREWALL PANEL

    542261Fig 404Config 1

    (Refer to Repair542261-300-804-A01)

    REPAIR SCHEME FOR CRACKON REINFORCING ANGLE

    542261Fig 405XConfig 1

    (Refer to Repair542261-300-805-A01)

    TEMPORARY REPAIR SCHEME FORCRACK ON FRONT FIREWALL PANEL

    542261Fig 405XConfig 2

    (Refer to Repair542261-300-805-B01)

    TEMPORARY REPAIR SCHEME FORCRACK ON FRONT FIREWALL PANEL

    542261Fig 405Config 1

    (Refer to Repair542261-300-806-A01)

    REPAIR SCHEME FOR CRACKON FRONT FIREWALL PANEL

    542261Fig 405Config 2

    (Refer to Repair542261-300-806-B01)

    REPAIR SCHEME FOR CRACKON FRONT FIREWALL PANEL

    542261Fig 403Config 1

    (Refer to Repair542261-300-807-A01)

    REPAIR SCHEME FOR CRACKON UPPER FIREWALL PANEL

    542261Fig 403Config 2

    (Refer to Repair542261-300-807-B01)

    REPAIR SCHEME FOR CRACKON UPPER FIREWALL PANEL

    542261Fig 406Config 1

    (Refer to Repair542261-300-808-A01)

    REPAIR SCHEME FOR PERFORATIONON UPPER FIREWALL PANEL

    542261Fig 407Config 1

    (Refer to Repair542261-300-809-A01)

    REPAIR SCHEME FOR PERFORATIONON UPPER FIREWALL PANEL

    542261Fig 404Config 2

    (Refer to Repair542261-300-810-A01)

    REPAIR SCHEME FORCRACK ON FIREWALL PANEL

  • ATR42-400/500 - STRUCTURAL REPAIR MANUAL

    INTRODUCTION Page 27

    R Oct 01/14

    BeforeConversion

    After Conversion Title After Conversion

    543261Fig 401

    (Refer to Repair543261-300-801-A01)

    FAIRING STRUCTURE - REPAIRSCHEME FOR DELAMINATION ON

    LOWER SURFACE OF ENGINE NACELLE

    CHAPTER 55

    Table 12: ALLOWABLE DAMAGEBefore

    ConversionAfter Conversion Title After Conversion

    550000Fig 301Config 1

    (Refer to Damages550000-200-801-B01)

    HORIZONTAL AND VERTICALSTABILIZER DAMAGE TYPEAND DEFECT DESCRIPTION

    550000GENERALConfig 2

    (Refer to Damages550000-200-801-A01)

    HORIZONTAL AND VERTICALSTABILIZER DAMAGE TYPEAND DEFECT DESCRIPTION

    550000TABLE 1Config 2

    550000Fig 301Config 2

    550000Fig 302Config 2

    550000Fig 303Config 2

    550000Fig 324Config 2

    (Refer to Damages550000-200-802-A01)

    C/E VERTICAL STABILIZER ALLOWABLE DAMAGE

    550000TABLE 2Config 2

    550000Fig 305Config 2

    550000Fig 306Config 2

    550000Fig 323Config 2

    (Refer to Damages550000-200-803-A01)

    C/E HORIZONTAL STABILIZER MULTISPAR BOX ALLOWABLE DAMAGES

    550000TABLE 3Config 2

    (Refer to Damages550000-200-804-A01)

    C/E VERTICAL AND HORIZONTALSTABILIZER JOINTS ALLOWABLE DAMAGES

  • ATR42-400/500 - STRUCTURAL REPAIR MANUAL

    INTRODUCTION Page 28

    R Oct 01/14

    BeforeConversion

    After Conversion Title After Conversion

    550000Fig 307Config 2

    550000Fig 308Config 2

    550000Fig 309Config 2

    550000Fig 310Config 2

    550000Fig 311Config 2

    550000Fig 312Config 2

    550000Fig 313Config 2

    550000Fig 314Config 2

    550000Fig 315Config 2

    550000Fig 316Config 2

    550000Fig 317Config 2

    550000Fig 318Config 2

    550000Fig 319Config 2

    550000Fig 320Config 2

    550000Fig 321Config 2

  • ATR42-400/500 - STRUCTURAL REPAIR MANUAL

    INTRODUCTION Page 29

    R Oct 01/14

    BeforeConversion

    After Conversion Title After Conversion

    550000Fig 322Config 2

    (Refer to Damages551100-200-801-A01)

    HORIZONTAL STABILIZER SPAR BOX

    (Refer to Damages551100-200-803-A01)

    HORIZONTAL STABILIZER SPAR BOX ALLOWABLE

    SCRATCHES, SCORES AND ABRASION

    (Refer to Damages551100-200-804-A01)

    HORIZONTAL STABILIZER SPARBOX ALLOWABLE SCRATCHES INMACHINED AND EXTRUDED PARTS

    (Refer to Damages551100-200-805-A01)

    HORIZONTAL STABILIZER SPARBOX ALLOWABLE DENTS IN

    SKIN PANELS (VALID FOR DE)

    551100Fig 301

    (Refer to Damages551100-200-806-A01)

    HORIZONTAL STABILIZER SPAR BOX ALLOWABLE DENTSIN HONEYCOMB SKIN PANEL

    551100Fig 302Config1 and

    Config 2

    (Refer to Damages551100-200-802-A01)

    HORIZONTAL STABILIZER SPARBOX DAMAGE TYPES AND REPAIRS

    551230Fig 301

    (Refer to Damages551230-200-801-A01)

    HORIZONTAL STABILIZERLEADING EDGE SKIN PANELS

    552000Fig 301

    (Refer to Damages552000-200-801-A01)

    ELEVATOR AND TABS COMPOSITEPARTS - ALLOWABLE DAMAGE

    (Refer to Damages553100-200-801-A01)

    VERTICAL STABILIZER SPAR BOX

    (Refer to Damages553100-200-803-A01)

    VERTICAL STABILIZER SPARBOX ALLOWABLE SCRATCHES,

    SCORES AND ABRASION

    (Refer to Damages553100-200-804-A01)

    HORIZONTAL STABILIZER SPARBOX ALLOWABLE SCRATCHES INMACHINED AND EXTRUDED PARTS

    (Refer to Damages553100-200-805-A01)

    VERTICAL STABILIZER SPARBOX ALLOWABLE DENTS INSKIN PANEL (VALID FOR DE)

    553100Fig 301

    (Refer to Damages553100-200-806-A01)

    VERTICAL STABILIZER SPAR BOX ALLOWABLE DENTSIN HONEYCOMB SKIN PANEL

    553100Fig 302Config1 and

    Config 2

    (Refer to Damages553100-200-802-A01)

    VERTICAL STABILIZER SPAR BOX FORIMPACT DAMAGES TYPES AND REPAIRS

  • ATR42-400/500 - STRUCTURAL REPAIR MANUAL

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    R Oct 01/14

    BeforeConversion

    After Conversion Title After Conversion

    554000Fig 301

    (Refer to Damages554000-200-801-A01)

    RUDDER COMPOSITEPART ALLOWABLE DAMAGE

    554500Fig 301

    (Refer to Damages554500-200-801-A01)

    RUDDER TAB

    Table 13: REPAIRBefore

    ConversionAfter Conversion Title After Conversion

    550000General

    (Refer to Repair550000-300-817-A01)

    STABILIZERS GENERAL REPAIRS

    550000Fig 401

    (Refer to Repair550000-300-801-A01)

    STABILIZER GENERAL DEBONDED METALLIC SKIN

    AND HONEYCOMB CORE REPAIR

    550000Fig 402

    (Refer to Repair550000-300-802-A01)

    REPAIR OF DAMAGE TO ONE METALLICSKIN AND HONEYCOMB CORE

    550000Fig 403

    (Refer to Repair550000-300-803-A01)

    REPAIR OF DAMAGE TO ONE METALLICSKIN AND HONEYCOMB CORE

    550000Fig 404

    (Refer to Repair550000-300-816-A01)

    REPAIR TO METALLIC SANDWICH PANEL

    550000Fig 405

    (Refer to Repair550000-300-804-A01)

    REPAIR OF DENTS IN METALHONEYCOMB STRUCTURE

    (Refer to Repair550000-300-805-A01)

    RUDDER, ELEVATOR AND TABS GRAPHITE COMPOSITE STRUCTURE REPAIR PROCEDURE COMMONTO TYPICAL REPAIR FIGURE550000

    Fig 406(Refer to Repair

    550000-300-806-A01)

    RUDDER, ELEVATOR AND TABS REPAIR A SEPARATION

    SKIN CORE AND DELAMINATION

    550000Fig 407

    (Refer to Repair550000-300-807-A01)

    RUDDER, ELEVATOR AND TABS REPAIR B PERFORATINGAND NON PERFORATING DAMAGE

    550000Fig 408

    (Refer to Repair550000-300-808-A01)

    RUDDER, ELEVATOR AND TABS REPAIR C SANDWICH

    STRUCTURE PERFORATING DAMAGE

    550000Fig 409

    (Refer to Repair550000-300-809-A01)

    RUDDER, ELEVATOR AND TABS REPAIR D1 AND REPAIR D2 SEPARATION SKIN CORE DAMAGE

    550000Fig 410

    (Refer to Repair550000-300-810-A01)

    RUDDER, ELEVATOR AND TABS REPAIR E1 AND REPAIR E2

    PERFORATING DAMAGE SANDWICH ZONE

    550000Fig 411

    (Refer to Repair550000-300-811-A01)

    RUDDER, ELEVATOR ANDTABS REPAIR F DENTON SANDWICH STRUCTURE

  • ATR42-400/500 - STRUCTURAL REPAIR MANUAL

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    BeforeConversion

    After Conversion Title After Conversion

    550000Fig 412

    (Refer to Repair550000-300-812-A01)

    RUDDER, ELEVATOR ANDTABS REPAIR G DENTON SANDWICH STRUCTURE

    550000Fig 413

    (Refer to Repair550000-300-813-A01)

    RUDDER, ELEVATOR AND TABS REPAIR H1 AND REPAIR H2 DENT ON SANDWICH STRUCTURE

    550000Fig 414

    (Refer to Repair550000-300-814-A01)

    RUDDER, ELEVATOR AND TABS REPAIR K NON PERFORATING DAMAGE

    550000Fig 415

    (Refer to Repair550000-300-815-A01)

    RUDDER, ELEVATOR AND TABS REPAIR L1 AND REPAIRL2 NON PERFORATINGDAMAGE OR DELAMINATION

    551100Fig 401Config 1

    (Refer to Repair551100-300-801-A01)

    HORIZONTAL STABILIZER SPAR BOX REPAIRS

    551100Fig 401Config 2

    (Refer to Repair551100-300-802-A01)

    REPAIR FOR LIGHT DAMAGESFOR RESIN FILLING

    551100Fig 402Config 2

    (Refer to Repair551100-300-803-A01)

    REPAIR FOR LIGHT DAMAGES BYRESIN FILLING AND EXTRA PLIES

    551100Fig 403Config 2

    (Refer to Repair551100-300-804-A01)

    HOT BOND REPAIR FOR NON-PERFORATING DAMAGE ON PANELEDGE CLOSE TO REAR SPAR

    551100Fig 404Config 2

    (Refer to Repair551100-300-805-A01)

    HOT BOND REPAIR FOR NON-PERFORATING DAMAGE ONTHE SKIN AT SPAR CAP

    (Refer to Repair551100-300-806-A01)

    METAL PATCH REPAIR FORPERFORATING DAMAGE ON FRONT

    SPAR CAP FIRST REPAIR SOLUTION551100Fig 405Config 2 (Refer to Repair

    551100-300-812-A01)

    METAL PATCH REPAIR FORPERFORATING DAMAGE ON FRONT SPARCAP SECOND REPAIR SOLUTION

    551100Fig 406Config 2

    (Refer to Repair551100-300-807-A01)

    METAL PATCH REPAIR FORPERFORATING DAMAGE ONTHE SKIN AT SPAR CAP

    551100Fig 407Config 2

    (Refer to Repair551100-300-808-A01)

    METAL PATCH REPAIR FOR FRONTAND REAR SPAR WEBS CUT OUT

    551100Fig 408Config 2

    (Refer to Repair551100-300-809-A01)

    REPAIR SCHEME FOR NON-PERFORATING DAMAGE ON THESKIN BETWEEN TWO SPARS

    551100Fig 409Config 2

    (Refer to Repair551100-300-810-A01)

    HOT BOND REPAIR FOR NON-PERFORATING DAMAGE ON THESKIN BETWEEN TWO SPARS

  • ATR42-400/500 - STRUCTURAL REPAIR MANUAL

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    R Oct 01/14

    BeforeConversion

    After Conversion Title After Conversion

    551100Fig 410Config 2

    (Refer to Repair551100-300-811-A01)

    METAL PATCH REPAIR FORNON-PERFORATING DAMAGEON THE SKIN AT SPAR CAP

    551140Fig 401Config 2

    (Refer to Repair551140-300-801-A01)

    REAR SPAR UPPER GROUNDINGSTRIP CORROSION REPAIR

    551220Fig 401

    (Refer to Repair551220-300-801-A01)

    HORIZONTAL STABILIZER LEADINGEDGE - RIB CRACK REPAIR (LH/RH)

    552000Fig 401

    (Refer to Repair552000-300-801-A01)

    RUDDER, ELEVATOR AND TABSCOMPOSITE PARTS REPAIRS

    553100Fig 401

    (Refer to Repair553100-300-801-A01)

    VERTICAL STABILIZER SPAR BOX

    553110Fig 401Config 2

    (Refer to Repair553110-300-801-A01)

    REAR SPAR GROUNDINGSTRIP CORROSION REPAIR

    553130Fig 401Config 2

    (Refer to Repair553130-300-805-A01)

    REPAIR FOR LIGHTDAMAGES BY RESIN FILLING

    553130Fig 403Config 2

    (Refer to Repair553130-300-801-A01)

    METAL PATCH REPAIR FORNON-PERFORATING DAMAGE ONSKIN BETWEEN TWO STRINGERS

    553130Fig 404Config 2

    (Refer to Repair553130-300-802-A01)

    HOT BOND REPAIR FOR NON-PERFORATING DAMAGE ON THESKIN BETWEEN TWO STRINGERS

    553130Fig 405Config 2

    (Refer to Repair553130-300-803-A01)

    METAL PATCH REPAIR FORPERFORATING DAMAGE ON

    SKIN BETWEEN TWO STRINGERS

    553130Fig 406Config 2

    (Refer to Repair553130-300-804-A01)

    METAL PATCH REPAIR FORPERFORATING DAMAGE ATSKIN/STRINGERS LOCATION

    553130Fig 402Config 2

    (Refer to Repair553130-300-806-A01)

    REPAIR FOR LIGHT DAMAGES BYRESIN FILLING AND EXTRA PLIES

    553130Fig 407Config 2

    (Refer to Repair553130-300-807-A01)

    METAL PATCH REPAIR FOR FRONTAND REAR SPAR WEBS CUT OUT

    553420Fig 401X

    (Refer to Repair553420-300-801-A01)

    TEMPORARY REPAIR OF ASMALL CRACK ON FIN TIP RIB

    554000Fig 401

    (Refer to Repair554000-300-801-A01)

    RUDDER, ELEVATOR AND TABSCOMPOSITE PARTS REPAIRS

    554100Fig 403

    (Refer to Repair554100-300-801-A01)

    RUDDER SKIN REPAIR AT TABCOUNTERBALANCE ARM CUT OUT

    CHAPTER 56

  • ATR42-400/500 - STRUCTURAL REPAIR MANUAL

    INTRODUCTION Page 33

    R Oct 01/14

    Table 14: ALLOWABLE DAMAGEBefore

    ConversionAfter Conversion Title After Conversion

    561000Fig 301

    (Refer to Damages561000-200-801-A01)

    FLIGHT COMPARTMENT

    562100Fig 301

    (Refer to Damages562100-200-801-A01)

    CABIN WINDOW - ALLOWABLE DAMAGES

    Table 15: REPAIRBefore

    ConversionAfter Conversion Title After Conversion

    560000Fig 401

    (Refer to Repair560000-300-801-A01)

    WINDOWS GENERAL -COCKPIT WINDSHIELD ANDCABIN WINDOWS REPAIR

    561000Fig 401

    (Refer to Repair561000-300-801-A01)

    SPS - MAIN WINDSHIELDS(SPSATR42 111 OR SPSATR42211 OR SPSATR42122 OR

    SPSATR422 22) ERODED AND/OR DEBONDED WEATHER SEAL REPAIR

    561000Fig 402

    (Refer to Repair561000-300-802-A01)

    PPG - MAIN WINDSHIELDS(NP-158801 3/4) ERODED AND/

    OR DEBONDED MOISTURE SEAL REPAIR

    561000Fig 403

    (Refer to Repair561000-300-803-A01)

    PPG - MAIN WINDSHIELDS(NP-158801 1/2) ERODED AND/

    OR DEBONDED MOISTURE SEAL REPAIR

    561000Fig 404

    (Refer to Repair561000-300-804-A01)

    PPG - FOWARD SIDE WINDOWS(NP-1588623/4) ERODED AND/ORDEBONDED MOISTURE SEAL REPAIR

    CHAPTER 57

    Table 16: ALLOWABLE DAMAGEBefore

    ConversionAfter Conversion Title After Conversion

    571200Fig 301

    (Refer to Damages571200-200-801-A01)

    SPAR EXTRUSION

    571200Fig 302

    (Refer to Damages571200-200-802-A01)

    SPAR WEB

    571210Fig 301

    (Refer to Damages571210-200-801-A01)

    FRONT SPAR UPPER/LOWER CHORDSALLOWABLE DAMAGES ON VERTICAL

    AND HORIZONTAL FLANGES

    571210Fig 302

    571210Table 301

    (Refer to Damages571210-200-802-A01)

    FRONT SPAR TOP FLANGE ALLOWABLEDAMAGES ON STRIP SLAT

  • ATR42-400/500 - STRUCTURAL REPAIR MANUAL

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    BeforeConversion

    After Conversion Title After Conversion

    571220Fig 301

    (Refer to Damages571220-200-801-A01)

    REAR SPAR UPPER/LOWER CHORDSALLOWABLE DAMAGES ON VERTICAL

    AND HORIZONTAL FLANGES

    (Refer to Damages571220-200-802-A01)

    REAR SPAR TOP FLANGE ALLOWABLEDAMAGES ON STRIP SLAT571220

    Fig 302 (Refer to Damages571220-200-803-A01)

    REAR SPAR STRUCTURALDEFECT/DAMAGE REPORT

    571300Fig 301

    (Refer to Damages571300-200-801-A01)

    ALLOWABLE DAMAGES ON SHEET METALRIBS (WEB AND RIB FLANGES)

    571410Fig 301

    (Refer to Damages571410-200-801-A01)

    UPPER SURFACE SKIN

    571412Fig 301

    (Refer to Damages571412-200-801-A01)

    REMOVABLE PANELS - - ALLOWABLEBLENDING LIMITS OF HOUSINGSURFACE OF THE ACCESS DOOR

    572200Fig 301

    (Refer to Damages572200-200-801-A01)

    SPAR EXTRUSION

    572200Fig 302

    (Refer to Damages572200-200-802-A01)

    SPAR WEB

    572300Fig 301

    (Refer to Damages572300-200-801-A01)

    ALLOWABLE DAMAGES ON SHEET METALRIBS (WEB AND RIB FLANGES)

    572400Fig 301

    (Refer to Damages572400-200-801-A01)

    SKIN AND STIFFENERS - FUELOUTFLOW DEFLECTOR ANGLE

    572410Fig 301

    (Refer to Damages572410-200-801-A01)

    UPPER SURFACE SKINS REMOVABLE AND FIXED PANELS

    573110Fig 301

    (Refer to Damages573110-200-801-A01)

    WING TIP LIGHT TRANSPARENT COVER

    574000Fig 301

    (Refer to Damages574000-200-801-A01)

    COMPOSITE LEADING EDGE

    575210Fig 301Config1 and

    Config 2

    (Refer to Damages575210-200-801-A01)

    INBOARD FLAP STRUCTUREDEFINITION OF ZONES

    575210Fig 302Config1 and

    Config 2

    (Refer to Damages575210-200-802-A01)

    INBOARD FLAP STRUCTURESANDWICH CONSTRUCTIONZONE (FLAKING IMPACT)

    575210Fig 303Config1 and

    Config 2

    (Refer to Damages575210-200-803-A01)

    INBOARD FLAP STRUCTUREMONOLITH CONSTRUCTION ZONES5 AND 6 (FLAKING IMPACT)

  • ATR42-400/500 - STRUCTURAL REPAIR MANUAL

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    R Oct 01/14

    BeforeConversion

    After Conversion Title After Conversion

    575210Fig 304Config1 and

    Config 2

    (Refer to Damages575210-200-804-A01)

    INBOARD FLAP STRUCTURESANDWICH CONSTRUCTION

    ZONE (SCORES, SCRATCHES)

    575210Fig 305Config1 and

    Config 2

    (Refer to Damages575210-200-805-A01)

    INBOARD FLAP STRUCTUREMONOLITH CONSTRUCTION ZONES5 AND 6 (SCORES, SCRATCHES)

    575210Fig 306Config1 and

    Config 2

    (Refer to Damages575210-200-806-A01)

    INBOARD FLAP STRUCTURE SANDWICHCONSTRUCTION ZONE (CRUSHING)

    575210Fig 307Config1 and

    Config 2

    (Refer to Damages575210-200-807-A01)

    INBOARD FLAP STRUCTURE(DELAMINATION)

    575210Fig 308Config1 and

    Config 2

    (Refer to Damages575210-200-808-A01)

    INBOARD FLAP STRUCTURE(SEPARATION - SKIN/CORE)

    575210Fig 309Config1 and

    Config 2

    (Refer to Damages575210-200-809-A01)

    INBOARD FLAP STRUCTURE(CHIPPING - SKIN/CORE)

    575210Table 301Config1 and

    Config 2

    (Refer to Damages575210-200-810-A01)

    INBOARD FLAP STRUCTURE SUMMARY

    575210Fig 310Config1 and

    Config 2

    (Refer to Damages575210-200-811-A01)

    INBOARD FLAP STRUCTURE PICK-UPFITTINGS AND FITTINGS AT RIB 5

    575220Fig 301Config 1

    (Refer to Damages575220-200-801-A01)

    CAM GUIDE (WEAR)

    575220Fig 301Config 2

    (Refer to Damages575220-200-801-B01)

    CAM GUIDE (WEAR)

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    BeforeConversion

    After Conversion Title After Conversion

    575220Fig 302Config 1

    (Refer to Damages575220-200-802-A01)

    CORROSION ON FLAP CAM GUIDES

    575220Fig 302Config 2

    (Refer to Damages575220-200-802-B01)

    CORROSION ON FLAP CAM GUIDES

    575310Fig 301

    (Refer to Damages575310-200-801-A01)

    OUTBOARD FLAP STRUCTURE- DEFINITION OF ZONES

    575310Fig 302

    (Refer to Damages575310-200-802-A01)

    OUTBOARD FLAP STRUCTURE- SANDWICH CONSTRUCTIONZONE (FLAKING IMPACT)

    575310Fig 304

    (Refer to Damages575310-200-803-A01)

    OUTBOARD FLAP STRUCTURE SANDWICHCONSTRUCTION ZONE (SCORES)

    575310Fig 306

    (Refer to Damages575310-200-804-A01)

    OUTBOARD FLAP STRUCTURE SANDWICHCONSTRUCTION ZONE (CRUSHING)

    575310Fig 307

    (Refer to Damages575310-200-805-A01)

    OUTBOARD FLAP STRUCTURE(DELAMINATION)

    575310Fig 308

    (Refer to Damages575310-200-806-A01)

    OUTBOARD FLAP STRUCTURE(SEPARATION - SKIN/CORE)

    (Refer to Damages575310-200-807-A01)

    OUTBOARD FLAP STRUCTURE(CHIPPING - SKIN/CORE)575310

    Fig 309 (Refer to Damages575310-200-808-A01)

    OUTBOARD FLAP STRUCTURE SUMMARY

    575310Fig 310

    (Refer to Damages575310-200-809-A01)

    OUTBOARD FLAP STRUCTUREFITTINGS AT RIB 14 AND RIB 18

    575320Fig 301CONFIG 1

    (Refer to Damages575320-200-801-A01)

    CAM GUIDE (WEAR)

    575320Fig 301CONFIG 2

    (Refer to Damages575320-200-801-B01)

    CAM GUIDE (WEAR)

    575320Fig 302CONFIG 1

    (Refer to Damages575320-200-802-A01)

    CORROSION ON FLAP CAM GUIDES

    575320Fig 302CONFIG 2

    (Refer to Damages575320-200-802-B01)

    CORROSION ON FLAP CAM GUIDES

    (Refer to Damages576110-200-801-A01)

    COMPLETE STRUCTURE EVALUATION OF REPAIRABILITY576110

    Fig. 301Config 1 (Refer to Damages

    576110-200-802-A01)COMPLETE STRUCTURE AILERONBOX - DEFINITION OF ZONES

    576110Fig. 301Config 2

    (Refer to Damages576110-200-801-B01)

    COMPLETE STRUCTURE EVALUATION OF REPAIRABILITY

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    BeforeConversion

    After Conversion Title After Conversion

    576110Fig. 302Config 1

    (Refer to Damages576110-200-803-A01)

    COMPLETE STRUCTURE TAB DEFINITION OF ZONES

    576110Fig. 303Config 1

    (Refer to Damages576110-200-804-A01)

    COMPLETE STRUCTURE HORN- DEFINITION OF ZONES

    576110Fig. 304Config 1

    (Refer to Damages576110-200-805-A01)

    COMPLETE STRUCTURE AILERONBOX (SCORE/SCRATCH)

    576110Fig. 305Config 1

    (Refer to Damages576110-200-806-A01)

    COMPLETE STRUCTURE AILERONBOX (PERFORATING IMPACT)

    576110Fig. 306Config 1

    (Refer to Damages576110-200-807-A01)

    COMPLETE STRUCTUREAILERON BOX (FLAKING/

    PERFORATING IMPACT OR NOT)

    576110Fig. 307Config 1

    (Refer to Damages576110-200-808-A01)

    COMPLETE STRUCTURE AILERONBOX (DELAMINATION, SEPARATION)

    576110Fig. 308Config 1

    (Refer to Damages576110-200-809-A01)

    COMPLETE STRUCTURETAB (SCORE/SCRATCH)

    576110Fig. 309Config 1

    (Refer to Damages576110-200-810-A01)

    COMPLETE STRUCTURE TAB (FLAKING/PERFORATING IMPACT OR NOT)

    576110Fig. 310Config 1

    (Refer to Damages576110-200-811-A01)

    COMPLETE STRUCTURE TAB(DELAMINATION, SEPARATION)

    576110Fig. 311Config 1

    (Refer to Damages576110-200-812-A01)

    COMPLETE STRUCTUREHORN (SCORE, SCRATCH)

    576110Fig. 312Config 1

    (Refer to Damages576110-200-813-A01)

    COMPLETE STRUCTUREHORN (FLAKING/

    PERFORATING IMPACT OR NOT)

    576110Fig. 313Config 1

    (Refer to Damages576110-200-814-A01)

    COMPLETE STRUCTURE HORN(DELAMINATION, SEPARATION)

    576110Fig. 314Config 1

    (Refer to Damages576110-200-815-A01)

    COMPLETE STRUCTUREHORN (CRUSHING)

    576110Fig. 302Config 2

    (Refer to Damages576110-200-816-A01)

    COMPLETE STRUCTURE SPRINGTAB SKIN PANEL (DELAMINATION)

    576110Fig. 308Config 2

    (Refer to Damages576110-200-817-A01)

    COMPLETE STRUCTURE SPRING TABSKIN PANEL (SCORE, SCRATCH)

  • ATR42-400/500 - STRUCTURAL REPAIR MANUAL

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    R Oct 01/14

    BeforeConversion

    After Conversion Title After Conversion

    576110Fig. 309Config 2

    (Refer to Damages576110-200-818-A01)

    COMPLETE STRUCTURE SPRINGTAB TRAILING EDGE (CRUSHING)

    Table 17: REPAIRBefore

    ConversionAfter Conversion Title After Conversion

    571210Fig 401X

    (Refer to Repair571210-300-801-A01)

    FRONT SPAR - TEMPORARY REPAIRSCHEME FOR CRACK AND CORROSIONON LOWER AND UPPER SPAR FLANGES

    571210Fig 401

    (Refer to Repair571210-300-802-A01)

    FRONT SPAR - REPAIR SCHEMEFOR CRACK AND CORROSION ONLOWER AND UPPER SPAR FLANGES

    571210Fig 402

    (Refer to Repair571210-300-803-A01)

    FRONT SPAR REPAIR SCHEMEFOR CHAFING ON UPPERFRONT SPAR STRIP SLAT

    (Refer to Repair571210-300-806-A01)

    FRONT SPAR LOWER STRIPREPAIR BETWEEN THE RIBS 10AND 11 (LH SIDE) REPAIR A

    (Refer to Repair571210-300-807-A01)

    FRONT SPAR LOWER STRIPREPAIR BETWEEN THE RIBS 11AND 12 (LH SIDE) REPAIR B

    (Refer to Repair571210-300-808-A01)

    FRONT SPAR LOWER STRIPREPAIR BETWEEN THE RIBS 10AND 11 (RH SIDE) REPAIR C

    571210Fig 403

    (Refer to Repair571210-300-809-A01)

    FRONT SPAR LOWER STRIPREPAIR BETWEEN THE RIBS 11AND 12 (RH SIDE) REPAIR D

    571210Fig 404

    (Refer to Repair571210-300-805-A01)

    FRONT SPAR LOWER STRIP BLENDOUT (LH/RH) BETWEEN THERIBS 10/11 AND RIBS 11/12

    571220Fig 401X

    (Refer to Repair571220-300-801-A01)

    REAR SPAR TEMPORARY REPAIRSCHEME FOR CRACK AND CORROSIONON LOWER AND UPPER SPAR FLANGES

    571220Fig 401

    (Refer to Repair571220-300-802-A01)

    REAR SPAR REPAIR SCHEMEFOR CRACK AND CORROSION ONLOWER AND UPPER SPAR FLANGES

    571220Fig 402

    (Refer to Repair571220-300-803-A01)

    REPAIR SCHEME FOR CHAFING ONUPPER REAR SPAR STRIP SLAT

    571310Fig 401

    (Refer to Repair571310-300-801-A01)

    RIBS STRUCTURE REPAIR SCHEMEFOR CRACK ON WING RIB FLANGE

    (DAMAGE BETWEEN STIFF. 3 THRU 5)

    571310Fig 402

    (Refer to Repair571310-300-802-A01)

    RIBS STRUCTURE - REPAIR SCHEMEFOR CRACK ON WING RIB FLANGE

    (DAMAGE BETWEEN STIFF. 4 THRU 5)

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    BeforeConversion

    After Conversion Title After Conversion

    571310Fig 403

    (Refer to Repair571310-300-803-A01)

    RIBS STRUCTURE - REPAIR SCHEMEFOR CRACK ON WING RIB FLANGE

    (DAMAGE BETWEEN STIFF. 6 THRU 8)

    571310Fig 404

    (Refer to Repair571310-300-804-A01)

    RIBS STRUCTURE - REPAIR SCHEMEFOR CRACK ON WING RIB WEB

    571410Fig 401

    (Refer to Repair571410-300-801-A01)

    UPPER SURFACE SKIN REPAIR SCHEME FOR

    CORROSION ON SKIN PANELS

    571410Fig 402

    (Refer to Repair571410-300-802-A01)

    UPPER SURFACE SKIN REPAIRSCHEME FOR CORROSION ON REMOVABLEPANELS BETWEEN RIB 0 AND RIB 8

    571410Fig 403

    (Refer to Repair571410-300-803-A01)

    REPAIR SCHEME FOR CORROSIONON REMOVABLE PANELS

    BETWEEN RIB 8 AND RIB 13

    571410Fig 404

    (Refer to Repair571410-300-804-A01)

    UPPER SURFACE SKIN REPAIR SCHEME FOR CRACKON SKIN PANELS STIFFENERS

    571412Fig 401

    (Refer to Repair571412-300-801-A01)

    REMOVABLE PANELS REPAIRSCHEME FOR HOUSING SURFACE

    ON THE ACCESS DOORS

    571420Fig 401

    (Refer to Repair571420-300-801-A01)

    LOWER SURFACE SKIN REPAIR SCHEMEFOR CRACK ON LOWER SURFACE PANELSTIFFENER DAMAGE (CRACK) CUT-OUT DEPTH 15 mm (0.591 in.) MAX.

    571420Fig 402

    (Refer to Repair571420-300-802-A01)

    LOWER SURFACE SKIN REPAIR SCHEMEFOR CRACK ON LOWER SURFACE PANELSTIFFENER DAMAGE (CRACK) CUT-OUT DEPTH 8mm (0.315 in.) MAX.

    572200Fig 401

    (Refer to Repair572200-300-801-A01)

    SPARS (FRONT AND REAR) REPAIR SCHEME FOR SPARWEB FLANGE RIB23 TO RIB30

    572310Fig 401

    (Refer to Repair572310-300-801-A01)

    RIBS STRUCTURE - REPAIR SCHEMEFOR CRACK ON WING RIB FLANGE

    572310Fig 402

    (Refer to Repair572310-300-802-A01)

    RIBS STRUCTURE - REPAIR SCHEMEFOR CRACK ON WING RIB FLANGE

    572310Fig 403

    (Refer to Repair572310-300-803-A01)

    RIBS STRUCTURE - REPAIR SCHEMEFOR CRACK ON WING RIB FLANGE

    572310Fig 404

    (Refer to Repair572310-300-804-A01)

    RIBS STRUCTURE - REPAIR SCHEMEFOR CRACK ON WING RIB WEB

    572400Fig 401X

    (Refer to Repair572400-300-801-A01)

    SKINS AND STIFFENERS -TEMPORARY REPAIR FOR FUELOUTFLOW DEFLECTOR ANGLE

    572400Fig 401

    (Refer to Repair572400-300-802-A01)

    SKINS AND STIFFENERS - REPAIRFOR FUEL OUTFLOW DEFLECTOR ANGLE

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    After Conversion Title After Conversion

    572411Fig 401

    (Refer to Repair572411-300-801-A01)

    UPPER FIXED PANELS RIB 13 TORIB 23 - REPAIR SCHEME FORCRACK ON STIFFENERS BETWEENRIB 14 TO RIB 18 (CRACK

    ON TWO SIDES OF STIFFENER)

    572411Fig 402

    (Refer to Repair572411-300-802-A01)

    UPPER FIXED PANELS RIB 13 TORIB 23 REPAIR SCHEME FORCRACK ON STIFFENERS BETWEENRIB 18 TO RIB 21 (CRACKON ONE SIDE AT STIFFENER)

    572420Fig 401

    (Refer to Repair572420-300-801-A01)

    LOWER SURFACE SKIN - REPAIRSCHEME FOR CRACK ON SKIN PANELAT RIB/STIFFENER INTERSECTION

    572420Fig 401X

    (Refer to Repair572420-300-802-A01)

    LOWER SURFACE SKIN - TEMPORARYREPAIR SCHEME FOR CRACKON SKIN PANEL AT RIB/STIFFENER INTERSECTION

    572420Fig 402

    (Refer to Repair572420-300-803-A01)

    LOWER SURFACE SKIN -REPAIR SCHEME FOR CRACKON SKIN PANEL RECESS

    572420Fig 402X

    (Refer to Repair572420-300-804-A01)

    LOWER SURFACE SKIN -TEMPORARY REPAIR SCHEME FORCRACK ON SKIN PANEL RECESS

    572420Fig 403

    (Refer to Repair572420-300-805-A01)

    LOWER SURFACE SKIN - REPAIRSCHEME FOR CRACK ON STIFFENERS

    572420Fig 404

    (Refer to Repair572420-300-806-A01)

    LOWER SURFACE SKIN -REPAIR SCHEME FOR CRACK ONSKIN PANEL AND STIFFENER

    572420Fig 405

    (Refer to Repair572420-300-807-A01)

    LOWER SURFACE SKIN - REPAIRSCHEME FOR CRACK ON SKIN

    PANEL AND STIFFENER AT RIB/STIFFENER INTERSECTION

    (Refer to Repair574000-300-801-A01)

    LEADING EDGES - REPAIRS574000Fig. 401 (Refer to Repair

    574000-300-802-A01)LEADING EDGES - PLIES ON

    KEVLAR FABRIC IDENTIFICATION

    574000Fig. 402

    (Refer to Repair574000-300-803-A01)

    LEADING EDGES - REPAIRFOR PICK-UP (SCHEME A)

    574000Fig. 403

    (Refer to Repair574000-300-804-A01)

    LEADING EDGES - REPAIR FORPUNCHING, NOTCH (SCHEME B)

    574000Fig. 404

    (Refer to Repair574000-300-805-A01)

    LEADING EDGES - REPAIRFOR SEPARATION (SCHEME C)

    574000Fig. 405

    (Refer to Repair574000-300-806-A01)

    LEADING EDGES - REPAIR FORINDENTATION ON SANDWICHSTRUCTURE (SCHEME D)

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    After Conversion Title After Conversion

    574000Fig. 406

    (Refer to Repair574000-300-807-A01)

    LEADING EDGE - REPAIRFOR PICK UP (SCHEME E)

    574000Fig. 407

    (Refer to Repair574000-300-808-A01)

    LEADING EDGES - REPAIR FORDELAMINATION (SCHEME F)

    574000Fig. 408

    (Refer to Repair574000-300-809-A01)

    LEADING EDGES - REPAIR FORPUNCHING, NOTCH (SCHEME H)

    574310Fig. 401

    (Refer to Repair574310-300-801-A01)

    COMPLETE STRUCTURE - REPAIRSCHEME FOR DELAMINATION

    (BETWEEN RIB 20 AND RIB 21)

    574310Fig. 402

    (Refer to Repair574310-300-802-A01)

    COMPLETE STRUCTURE - REPAIRSCHEME FOR DELAMINATION

    (BETWEEN RIB 21 AND RIB 22)

    574310Fig. 403

    (Refer to Repair574310-300-803-A01)

    COMPLETE STRUCTURE -REPAIR SCHEME FOR CORROSION(BETWEEN RIB 21 AND RIB 30)

    (Refer to Repair575210-300-801-A01)

    INBOARD FLAP STRUCTURE - REPAIR575210Fig. 401Config 1

    andConfig 2

    (Refer to Repair575210-300-802-A01)

    INBOARD FLAP STRUCTURE- TEMPORARY REPAIR FOR

    FLAKING, IMPACT ON SANDWICHCONSTRUCTION (SCHEME AX)

    575210Fig. 402Config 1

    andConfig 2

    (Refer to Repair575210-300-803-A01)

    INBOARD FLAP STRUCTURE -REPAIR FOR FLAKING, IMPACT ON

    SANDWICH CONSTRUCTION (SCHEME A)

    575210Fig. 403Config 1

    andConfig 2

    (Refer to Repair575210-300-804-A01)

    INBOARD FLAP STRUCTURE -TEMPORARY REPAIR FOR FLAKING,PERFORATING IMPACT ON SANDWICH

    CONSTRUCTION (SCHEME B1X)

    575210Fig. 404Config 1

    andConfig 2

    (Refer to Repair575210-300-805-A01)

    INBOARD FLAP STRUCTURE -TEMPORARY REPAIR FOR SCORES,

    SCRATCHES ON SANDWICHCONSTRUCTION (SCHEME B1X)

    575210Fig.405Config 1

    andConfig 2

    (Refer to Repair575210-300-806-A01)

    INBOARD FLAP STRUCTURE -TEMPORARY REPAIR FOR FLAKING,TRAVERSING IMPACT ON MONOLITHCONSTRUCTION (SCHEME B1X)

    575210Fig. 406Config 1

    andConfig 2

    (Refer to Repair575210-300-807-A01)

    INBOARD FLAP STRUCTURE -TEMPORARY REPAIR FOR SCORES,

    SCRATCHES ON MONOLITHCONSTRUCTION (SCHEME B1X)

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    After Conversion Title After Conversion

    575210Fig. 407

    andConfig 2Config 1

    (Refer to Repair575210-300-808-A01)

    INBOARD FLAP STRUCTURE -TEMPORARY REPAIR FOR FLAKINGON TRAILING EDGE ON SANDWICHCONSTRUCTION (SCHEME B1X)

    575210Fig. 408Config 1

    andConfig 2

    (Refer to Repair575210-300-809-A01)

    INBOARD FLAP STRUCTURE- REPAIR FOR FLAKING,

    PERFORATING IMPACT ON SANDWICHCONSTRUCTION (SCHEME B1)

    575210Fig. 409Config 1

    andConfig 2

    (Refer to Repair575210-300-810-A01)

    INBOARD FLAP STRUCTURE -REPAIR FOR SCRATCHES, SCORES ONSANDWICH CONSTRUCTION (SCHEME B1)

    575210Fig. 410Config 1

    andConfig 2

    (Refer to Repair575210-300-811-A01)

    INBOARD FLAP STRUCTURE - REPAIRFOR FLAKING, TRAVERSING IMPACT ONMONOLITH CONSTRUCTION (SCHEME B1)

    575210Fig. 411Config 1

    andConfig 2

    (Refer to Repair575210-300-812-A01)

    INBOARD FLAP STRUCTURE -REPAIR FOR SCRATCHES, SCORES ONMONOLITH CONSTRUCTION (SCHEME B1)

    575210Fig. 412Config 1

    andConfig 2

    (Refer to Repair575210-300-813-A01)

    INBOARD FLAP STRUCTURE -REPAIR FOR FLAKING, IMPACT

    ON TRAILING EDGES (SCHEME B1)

    575210Fig. 413Config 1

    andConfig 2

    (Refer to Repair575210-300-814-A01)

    INBOARD FLAP STRUCTURE - REPAIRFOR PERFORATING IMPACT ON

    SANDWICH CONSTRUCTION (SCHEME B2)

    575210Fig. 414Config 1

    andConfig 2

    (Refer to Repair575210-300-815-A01)

    INBOARD FLAP STRUCTURE - REPAIRFOR NON-PERFORATING IMPACTOF 4 PLIES ZONE (SCHEME B3)

    575210Fig. 415Config 1

    andConfig 2

    (Refer to Repair575210-300-816-A01)

    INBOARD FLAP STRUCTURE - REPAIRFOR NON-PERFORATING IMPACTOF 6 PLIES ZONE (SCHEME B3)

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    BeforeConversion

    After Conversion Title After Conversion

    575210Fig. 416Config 1

    andConfig 2

    (Refer to Repair575210-300-817-A01)

    INBOARD FLAP STRUCTURE - REPAIRFOR NON-PERFORATING IMPACTOF 7 PLIES ZONE (SCHEME B3)

    575210Fig. 417Config 1

    andConfig 2

    (Refer to Repair575210-300-818-A01)

    INBOARD FLAP STRUCTURE -REPAIR FOR IMPACT HOLE ON4 PLIES ZONE (SCHEME B4)

    575210Fig. 418Config 1

    andConfig 2

    (Refer to Repair575210-300-819-A01)

    INBOARD FLAP STRUCTURE -REPAIR FOR IMPACT HOLE ON6 PLIES ZONE (SCHEME B4)

    575210Fig. 419Config 1

    andConfig 2

    (Refer to Repair575210-300-820-A01)

    INBOARD FLAP STRUCTURE -REPAIR FOR IMPACT HOLE ON7 PLIES ZONE (SCHEME B4)

    575210Fig. 420Config 1

    andConfig 2

    (Refer to Repair575210-300-821-A01)

    INBOARD FLAP STRUCTURE - REPAIRFOR PERFORATING IMPACT ON

    SANDWICH CONSTRUCTION SCHEME B5

    575210Fig. 421Config 1

    andConfig 2

    (Refer to Repair575210-300-822-A01)

    INBOARD FLAP STRUCTURE -REPAIR FOR IMPACT HOLE ON4 PLIES ZONE (SCHEME B6)

    575210Fig. 422Config 1

    andConfig 2

    (Refer to Repair575210-300-823-A01)

    INBOARD FLAP STRUCTURE -REPAIR FOR PERFORATING IMPACTON 6 PLIES ZONE (SCHEME B6)

    575210Fig. 423Config 1

    andConfig 2

    (Refer to Repair575210-300-824-A01)

    INBOARD FLAP STRUCTURE -REPAIR FOR IMPACT HOLE ON7 PLIES ZONE (SCHEME B6)

    575210Fig. 424Config 1

    andConfig 2

    (Refer to Repair575210-300-825-A01)

    INBOARD FLAP STRUCTURE -TEMPORARY REPAIR FOR FLAKING,TRAVERSING IMPACT ON MONOLITHCONSTRUCTION (SCHEME B7X)

  • ATR42-400/500 - STRUCTURAL REPAIR MANUAL

    INTRODUCTION Page 44

    R Oct 01/14

    BeforeConversion

    After Conversion Title After Conversion

    575210Fig. 425Config 1

    andConfig 2

    (Refer to Repair575210-300-826-A01)

    INBOARD FLAP STRUCTURE -REPAIR FOR TRAVERSING IMPACT ONMONOLITH CONSTRUCTION (SCHEME B7)

    575210Fig. 426Config 1

    andConfig 2

    (Refer to Repair575210-300-827-A01)

    INBOARD FLAP STRUCTURE REPAIRFOR TRAVERSING IMPACT ONTRAILING EDGE (SCHEME B8)

    575210Fig. 427Config 1

    andConfig 2

    (Refer to Repair575210-300-828-A01)

    INBOARD FLAP STRUCTURE REPAIR FOR TRAVERSING IMPACT ONMONOLITH CONSTRUCTION (SCHEME B9)

    575210Fi